FIX (monitoring): Fix settings creation tests

FEATURE (metrics): Add metrics for RAM & IO (first implementation)
2026-04-06 08:41:58 +02:00 · 2025-09-14 14:34:54 +03:00 · 2025-09-14 14:23:07 +03:00
38 changed files with 2205 additions and 729 deletions
--- a/backend/cmd/main.go
+++ b/backend/cmd/main.go
@@ -20,6 +20,7 @@ import (
 	"postgresus-backend/internal/features/disk"
 	healthcheck_attempt "postgresus-backend/internal/features/healthcheck/attempt"
 	healthcheck_config "postgresus-backend/internal/features/healthcheck/config"
+	postgres_monitoring_collectors "postgresus-backend/internal/features/monitoring/postgres/collectors"
 	postgres_monitoring_metrics "postgresus-backend/internal/features/monitoring/postgres/metrics"
 	postgres_monitoring_settings "postgresus-backend/internal/features/monitoring/postgres/settings"
 	"postgresus-backend/internal/features/notifiers"
@@ -180,7 +181,6 @@ func setUpRoutes(r *gin.Engine) {
 }

 func setUpDependencies() {
-	backups.SetupDependencies()
 	backups.SetupDependencies()
 	restores.SetupDependencies()
 	healthcheck_config.SetupDependencies()
@@ -204,12 +204,16 @@ func runBackgroundTasks(log *slog.Logger) {
 	})

 	go runWithPanicLogging(log, "healthcheck attempt background service", func() {
-		healthcheck_attempt.GetHealthcheckAttemptBackgroundService().RunBackgroundTasks()
+		healthcheck_attempt.GetHealthcheckAttemptBackgroundService().Run()
 	})

 	go runWithPanicLogging(log, "postgres monitoring metrics background service", func() {
 		postgres_monitoring_metrics.GetPostgresMonitoringMetricsBackgroundService().Run()
 	})
+
+	go runWithPanicLogging(log, "postgres monitoring collectors background service", func() {
+		postgres_monitoring_collectors.GetDbMonitoringBackgroundService().Run()
+	})
 }

 func runWithPanicLogging(log *slog.Logger, serviceName string, fn func()) {
--- a/backend/internal/features/healthcheck/attempt/background_service.go
+++ b/backend/internal/features/healthcheck/attempt/background_service.go
@@ -13,7 +13,7 @@ type HealthcheckAttemptBackgroundService struct {
 	logger                   *slog.Logger
 }

-func (s *HealthcheckAttemptBackgroundService) RunBackgroundTasks() {
+func (s *HealthcheckAttemptBackgroundService) Run() {
 	// first healthcheck immediately
 	s.checkDatabases()

--- a/backend/internal/features/monitoring/postgres/collectors/db_monitoring_service.go
+++ b/backend/internal/features/monitoring/postgres/collectors/db_monitoring_service.go
@@ -1,3 +1,292 @@
 package postgres_monitoring_collectors

-type DbMonitoringBackgroundService struct{}
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"postgresus-backend/internal/config"
+	"postgresus-backend/internal/features/databases"
+	"postgresus-backend/internal/features/databases/databases/postgresql"
+	postgres_monitoring_metrics "postgresus-backend/internal/features/monitoring/postgres/metrics"
+	postgres_monitoring_settings "postgresus-backend/internal/features/monitoring/postgres/settings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+)
+
+type DbMonitoringBackgroundService struct {
+	databaseService           *databases.DatabaseService
+	monitoringSettingsService *postgres_monitoring_settings.PostgresMonitoringSettingsService
+	metricsService            *postgres_monitoring_metrics.PostgresMonitoringMetricService
+	logger                    *slog.Logger
+	isRunning                 int32
+	lastRunTimes              map[uuid.UUID]time.Time
+	lastRunTimesMutex         sync.RWMutex
+}
+
+func (s *DbMonitoringBackgroundService) Run() {
+	for {
+		if config.IsShouldShutdown() {
+			s.logger.Info("stopping background monitoring tasks")
+			return
+		}
+
+		s.processMonitoringTasks()
+		time.Sleep(1 * time.Second)
+	}
+}
+
+func (s *DbMonitoringBackgroundService) processMonitoringTasks() {
+	if !atomic.CompareAndSwapInt32(&s.isRunning, 0, 1) {
+		s.logger.Warn("skipping background task execution, previous task still running")
+		return
+	}
+	defer atomic.StoreInt32(&s.isRunning, 0)
+
+	dbsWithEnabledDbMonitoring, err := s.monitoringSettingsService.GetAllDbsWithEnabledDbMonitoring()
+	if err != nil {
+		s.logger.Error("failed to get all databases with enabled db monitoring", "error", err)
+		return
+	}
+
+	for _, dbSettings := range dbsWithEnabledDbMonitoring {
+		s.processDatabase(&dbSettings)
+	}
+}
+
+func (s *DbMonitoringBackgroundService) processDatabase(
+	settings *postgres_monitoring_settings.PostgresMonitoringSettings,
+) {
+	db, err := s.databaseService.GetDatabaseByID(settings.DatabaseID)
+	if err != nil {
+		s.logger.Error("failed to get database by id", "error", err)
+		return
+	}
+
+	if db.Type != databases.DatabaseTypePostgres {
+		return
+	}
+
+	if !s.isReadyForNextRun(settings) {
+		return
+	}
+
+	err = s.collectAndSaveMetrics(db, settings)
+	if err != nil {
+		s.logger.Error("failed to collect and save metrics", "error", err)
+		return
+	}
+
+	s.updateLastRunTime(db)
+}
+
+func (s *DbMonitoringBackgroundService) collectAndSaveMetrics(
+	db *databases.Database,
+	settings *postgres_monitoring_settings.PostgresMonitoringSettings,
+) error {
+	if db.Postgresql == nil {
+		return nil
+	}
+
+	s.logger.Debug("collecting metrics for database", "database_id", db.ID)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	conn, err := s.connectToDatabase(ctx, db)
+	if err != nil {
+		return fmt.Errorf("failed to connect to database: %w", err)
+	}
+
+	if conn == nil {
+		return nil
+	}
+
+	defer func() {
+		if closeErr := conn.Close(ctx); closeErr != nil {
+			s.logger.Error("Failed to close connection", "error", closeErr)
+		}
+	}()
+
+	var metrics []postgres_monitoring_metrics.PostgresMonitoringMetric
+	now := time.Now().UTC()
+
+	if settings.IsDbResourcesMonitoringEnabled {
+		dbMetrics, err := s.collectDatabaseResourceMetrics(ctx, conn, db.ID, now)
+		if err != nil {
+			s.logger.Error("failed to collect database resource metrics", "error", err)
+		} else {
+			metrics = append(metrics, dbMetrics...)
+		}
+	}
+
+	if len(metrics) > 0 {
+		if err := s.metricsService.Insert(metrics); err != nil {
+			return fmt.Errorf("failed to insert metrics: %w", err)
+		}
+		s.logger.Debug(
+			"successfully collected and saved metrics",
+			"count",
+			len(metrics),
+			"database_id",
+			db.ID,
+		)
+	}
+
+	return nil
+}
+
+func (s *DbMonitoringBackgroundService) isReadyForNextRun(
+	settings *postgres_monitoring_settings.PostgresMonitoringSettings,
+) bool {
+	s.lastRunTimesMutex.RLock()
+	defer s.lastRunTimesMutex.RUnlock()
+
+	if s.lastRunTimes == nil {
+		return true
+	}
+
+	lastRun, exists := s.lastRunTimes[settings.DatabaseID]
+	if !exists {
+		return true
+	}
+
+	return time.Since(lastRun) >= time.Duration(settings.MonitoringIntervalSeconds)*time.Second
+}
+
+func (s *DbMonitoringBackgroundService) updateLastRunTime(db *databases.Database) {
+	s.lastRunTimesMutex.Lock()
+	defer s.lastRunTimesMutex.Unlock()
+
+	if s.lastRunTimes == nil {
+		s.lastRunTimes = make(map[uuid.UUID]time.Time)
+	}
+	s.lastRunTimes[db.ID] = time.Now().UTC()
+}
+
+func (s *DbMonitoringBackgroundService) connectToDatabase(
+	ctx context.Context,
+	db *databases.Database,
+) (*pgx.Conn, error) {
+	if db.Postgresql == nil {
+		return nil, nil
+	}
+
+	if db.Postgresql.Database == nil || *db.Postgresql.Database == "" {
+		return nil, nil
+	}
+
+	connStr := s.buildConnectionString(db.Postgresql)
+	return pgx.Connect(ctx, connStr)
+}
+
+func (s *DbMonitoringBackgroundService) buildConnectionString(
+	pg *postgresql.PostgresqlDatabase,
+) string {
+	sslMode := "disable"
+	if pg.IsHttps {
+		sslMode = "require"
+	}
+
+	return fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
+		pg.Host,
+		pg.Port,
+		pg.Username,
+		pg.Password,
+		*pg.Database,
+		sslMode,
+	)
+}
+
+func (s *DbMonitoringBackgroundService) collectDatabaseResourceMetrics(
+	ctx context.Context,
+	conn *pgx.Conn,
+	databaseID uuid.UUID,
+	timestamp time.Time,
+) ([]postgres_monitoring_metrics.PostgresMonitoringMetric, error) {
+	var metrics []postgres_monitoring_metrics.PostgresMonitoringMetric
+
+	// Collect I/O statistics
+	ioMetrics, err := s.collectIOMetrics(ctx, conn, databaseID, timestamp)
+	if err != nil {
+		s.logger.Warn("failed to collect I/O metrics", "error", err)
+	} else {
+		metrics = append(metrics, ioMetrics...)
+	}
+
+	// Collect memory usage (approximation based on buffer usage)
+	ramMetric, err := s.collectRAMUsageMetric(ctx, conn, databaseID, timestamp)
+	if err != nil {
+		s.logger.Warn("failed to collect RAM usage metric", "error", err)
+	} else {
+		metrics = append(metrics, ramMetric)
+	}
+
+	return metrics, nil
+}
+
+func (s *DbMonitoringBackgroundService) collectIOMetrics(
+	ctx context.Context,
+	conn *pgx.Conn,
+	databaseID uuid.UUID,
+	timestamp time.Time,
+) ([]postgres_monitoring_metrics.PostgresMonitoringMetric, error) {
+	var blocksRead, blocksHit int64
+	query := `
+		SELECT 
+			COALESCE(SUM(blks_read), 0) as total_reads,
+			COALESCE(SUM(blks_hit), 0) as total_hits
+		FROM pg_stat_database 
+		WHERE datname = current_database()
+	`
+
+	err := conn.QueryRow(ctx, query).Scan(&blocksRead, &blocksHit)
+	if err != nil {
+		return nil, err
+	}
+
+	// Calculate I/O activity as total blocks accessed (PostgreSQL block size is typically 8KB)
+	const pgBlockSize = 8192 // 8KB
+	totalIOBytes := float64((blocksRead + blocksHit) * pgBlockSize)
+
+	return []postgres_monitoring_metrics.PostgresMonitoringMetric{
+		{
+			DatabaseID: databaseID,
+			Metric:     postgres_monitoring_metrics.MetricsTypeDbIO,
+			ValueType:  postgres_monitoring_metrics.MetricsValueTypeByte,
+			Value:      totalIOBytes,
+			CreatedAt:  timestamp,
+		},
+	}, nil
+}
+
+func (s *DbMonitoringBackgroundService) collectRAMUsageMetric(
+	ctx context.Context,
+	conn *pgx.Conn,
+	databaseID uuid.UUID,
+	timestamp time.Time,
+) (postgres_monitoring_metrics.PostgresMonitoringMetric, error) {
+	var sharedBuffers int64
+	query := `
+		SELECT 
+			COALESCE(SUM(blks_hit), 0) * 8192 as buffer_usage
+		FROM pg_stat_database 
+		WHERE datname = current_database()
+	`
+
+	err := conn.QueryRow(ctx, query).Scan(&sharedBuffers)
+	if err != nil {
+		return postgres_monitoring_metrics.PostgresMonitoringMetric{}, err
+	}
+
+	return postgres_monitoring_metrics.PostgresMonitoringMetric{
+		DatabaseID: databaseID,
+		Metric:     postgres_monitoring_metrics.MetricsTypeDbRAM,
+		ValueType:  postgres_monitoring_metrics.MetricsValueTypeByte,
+		Value:      float64(sharedBuffers),
+		CreatedAt:  timestamp,
+	}, nil
+}
--- a/backend/internal/features/monitoring/postgres/collectors/di.go
+++ b/backend/internal/features/monitoring/postgres/collectors/di.go
@@ -0,0 +1,23 @@
+package postgres_monitoring_collectors
+
+import (
+	"postgresus-backend/internal/features/databases"
+	postgres_monitoring_metrics "postgresus-backend/internal/features/monitoring/postgres/metrics"
+	postgres_monitoring_settings "postgresus-backend/internal/features/monitoring/postgres/settings"
+	"postgresus-backend/internal/util/logger"
+	"sync"
+)
+
+var dbMonitoringBackgroundService = &DbMonitoringBackgroundService{
+	databases.GetDatabaseService(),
+	postgres_monitoring_settings.GetPostgresMonitoringSettingsService(),
+	postgres_monitoring_metrics.GetPostgresMonitoringMetricsService(),
+	logger.GetLogger(),
+	0,
+	nil,
+	sync.RWMutex{},
+}
+
+func GetDbMonitoringBackgroundService() *DbMonitoringBackgroundService {
+	return dbMonitoringBackgroundService
+}
--- a/backend/internal/features/monitoring/postgres/collectors/system_monitoring_service.go
+++ b/backend/internal/features/monitoring/postgres/collectors/system_monitoring_service.go
@@ -1,3 +0,0 @@
-package postgres_monitoring_collectors
-
-type SystemMonitoringBackgroundService struct{}
--- a/backend/internal/features/monitoring/postgres/metrics/enums.go
+++ b/backend/internal/features/monitoring/postgres/metrics/enums.go
@@ -3,14 +3,8 @@ package postgres_monitoring_metrics
 type PostgresMonitoringMetricType string

 const (
-	// system resources (need extensions)
-	MetricsTypeSystemCPU PostgresMonitoringMetricType = "SYSTEM_CPU_USAGE"
-	MetricsTypeSystemRAM PostgresMonitoringMetricType = "SYSTEM_RAM_USAGE"
-	MetricsTypeSystemROM PostgresMonitoringMetricType = "SYSTEM_ROM_USAGE"
-	MetricsTypeSystemIO  PostgresMonitoringMetricType = "SYSTEM_IO_USAGE"
 	// db resources (don't need extensions)
 	MetricsTypeDbRAM PostgresMonitoringMetricType = "DB_RAM_USAGE"
-	MetricsTypeDbROM PostgresMonitoringMetricType = "DB_ROM_USAGE"
 	MetricsTypeDbIO  PostgresMonitoringMetricType = "DB_IO_USAGE"
 )

--- a/backend/internal/features/monitoring/postgres/metrics/service_test.go
+++ b/backend/internal/features/monitoring/postgres/metrics/service_test.go
@@ -65,13 +65,6 @@ func Test_GetMetrics_MetricsReturned(t *testing.T) {
 			Value:      2048000,
 			CreatedAt:  now.Add(-1 * time.Hour),
 		},
-		{
-			DatabaseID: database.ID,
-			Metric:     MetricsTypeSystemCPU,
-			ValueType:  MetricsValueTypePercent,
-			Value:      75.5,
-			CreatedAt:  now.Add(-30 * time.Minute),
-		},
 	}

 	// Insert test metrics
@@ -93,14 +86,6 @@ func Test_GetMetrics_MetricsReturned(t *testing.T) {
 	assert.Equal(t, MetricsTypeDbRAM, metrics[0].Metric)
 	assert.Equal(t, MetricsValueTypeByte, metrics[0].ValueType)

-	// Test getting CPU metrics
-	cpuMetrics, err := service.GetMetrics(testUser, database.ID, MetricsTypeSystemCPU, from, to)
-	assert.NoError(t, err)
-	assert.Len(t, cpuMetrics, 1)
-	assert.Equal(t, float64(75.5), cpuMetrics[0].Value)
-	assert.Equal(t, MetricsTypeSystemCPU, cpuMetrics[0].Metric)
-	assert.Equal(t, MetricsValueTypePercent, cpuMetrics[0].ValueType)
-
 	// Test access control - create another user and test they can't access this database
 	anotherUser := &users_models.User{
 		ID: uuid.New(),
@@ -204,37 +189,6 @@ func Test_GetMetricsWithFilterByType_FilterWorks(t *testing.T) {
 			Value:      2048000,
 			CreatedAt:  now.Add(-1 * time.Hour),
 		},
-		// DB ROM metrics
-		{
-			DatabaseID: database.ID,
-			Metric:     MetricsTypeDbROM,
-			ValueType:  MetricsValueTypeByte,
-			Value:      5000000,
-			CreatedAt:  now.Add(-90 * time.Minute),
-		},
-		{
-			DatabaseID: database.ID,
-			Metric:     MetricsTypeDbROM,
-			ValueType:  MetricsValueTypeByte,
-			Value:      5500000,
-			CreatedAt:  now.Add(-30 * time.Minute),
-		},
-		// System CPU metrics
-		{
-			DatabaseID: database.ID,
-			Metric:     MetricsTypeSystemCPU,
-			ValueType:  MetricsValueTypePercent,
-			Value:      75.5,
-			CreatedAt:  now.Add(-45 * time.Minute),
-		},
-		// System RAM metrics
-		{
-			DatabaseID: database.ID,
-			Metric:     MetricsTypeSystemRAM,
-			ValueType:  MetricsValueTypePercent,
-			Value:      65.2,
-			CreatedAt:  now.Add(-25 * time.Minute),
-		},
 	}

 	// Insert test metrics
@@ -253,39 +207,6 @@ func Test_GetMetricsWithFilterByType_FilterWorks(t *testing.T) {
 		assert.Equal(t, MetricsValueTypeByte, metric.ValueType)
 	}

-	// Test filtering by DB ROM type
-	romMetrics, err := service.GetMetrics(testUser, database.ID, MetricsTypeDbROM, from, to)
-	assert.NoError(t, err)
-	assert.Len(t, romMetrics, 2)
-	for _, metric := range romMetrics {
-		assert.Equal(t, MetricsTypeDbROM, metric.Metric)
-		assert.Equal(t, MetricsValueTypeByte, metric.ValueType)
-	}
-
-	// Test filtering by System CPU type
-	cpuMetrics, err := service.GetMetrics(testUser, database.ID, MetricsTypeSystemCPU, from, to)
-	assert.NoError(t, err)
-	assert.Len(t, cpuMetrics, 1)
-	for _, metric := range cpuMetrics {
-		assert.Equal(t, MetricsTypeSystemCPU, metric.Metric)
-		assert.Equal(t, MetricsValueTypePercent, metric.ValueType)
-	}
-
-	// Test filtering by System RAM type
-	systemRamMetrics, err := service.GetMetrics(
-		testUser,
-		database.ID,
-		MetricsTypeSystemRAM,
-		from,
-		to,
-	)
-	assert.NoError(t, err)
-	assert.Len(t, systemRamMetrics, 1)
-	for _, metric := range systemRamMetrics {
-		assert.Equal(t, MetricsTypeSystemRAM, metric.Metric)
-		assert.Equal(t, MetricsValueTypePercent, metric.ValueType)
-	}
-
 	// Test filtering by non-existent metric type (should return empty)
 	ioMetrics, err := service.GetMetrics(testUser, database.ID, MetricsTypeDbIO, from, to)
 	assert.NoError(t, err)
--- a/backend/internal/features/monitoring/postgres/settings/model.go
+++ b/backend/internal/features/monitoring/postgres/settings/model.go
@@ -13,10 +13,8 @@ type PostgresMonitoringSettings struct {
 	DatabaseID uuid.UUID           `json:"databaseId" gorm:"primaryKey;column:database_id;not null"`
 	Database   *databases.Database `json:"database"   gorm:"foreignKey:DatabaseID"`

-	IsSystemResourcesMonitoringEnabled bool  `json:"isSystemResourcesMonitoringEnabled" gorm:"column:is_system_resources_monitoring_enabled;not null"`
-	IsDbResourcesMonitoringEnabled     bool  `json:"isDbResourcesMonitoringEnabled"     gorm:"column:is_db_resources_monitoring_enabled;not null"`
-	IsQueriesMonitoringEnabled         bool  `json:"isQueriesMonitoringEnabled"         gorm:"column:is_queries_monitoring_enabled;not null"`
-	MonitoringIntervalSeconds          int64 `json:"monitoringIntervalSeconds"          gorm:"column:monitoring_interval_seconds;not null"`
+	IsDbResourcesMonitoringEnabled bool  `json:"isDbResourcesMonitoringEnabled" gorm:"column:is_db_resources_monitoring_enabled;not null"`
+	MonitoringIntervalSeconds      int64 `json:"monitoringIntervalSeconds"      gorm:"column:monitoring_interval_seconds;not null"`

 	InstalledExtensions    []tools.PostgresqlExtension `json:"installedExtensions" gorm:"-"`
 	InstalledExtensionsRaw string                      `json:"-"                   gorm:"column:installed_extensions_raw"`
--- a/backend/internal/features/monitoring/postgres/settings/repository.go
+++ b/backend/internal/features/monitoring/postgres/settings/repository.go
@@ -48,3 +48,18 @@ func (r *PostgresMonitoringSettingsRepository) GetByDbIDWithRelations(

 	return &settings, nil
 }
+
+func (r *PostgresMonitoringSettingsRepository) GetAllDbsWithEnabledDbMonitoring() (
+	[]PostgresMonitoringSettings, error,
+) {
+	var settings []PostgresMonitoringSettings
+
+	if err := storage.
+		GetDb().
+		Where("is_db_resources_monitoring_enabled = ?", true).
+		Find(&settings).Error; err != nil {
+		return nil, err
+	}
+
+	return settings, nil
+}
--- a/backend/internal/features/monitoring/postgres/settings/service.go
+++ b/backend/internal/features/monitoring/postgres/settings/service.go
@@ -5,7 +5,6 @@ import (
 	"postgresus-backend/internal/features/databases"
 	users_models "postgresus-backend/internal/features/users/models"
 	"postgresus-backend/internal/util/logger"
-	"postgresus-backend/internal/util/tools"

 	"github.com/google/uuid"
 )
@@ -28,31 +27,9 @@ func (s *PostgresMonitoringSettingsService) OnDatabaseCreated(dbID uuid.UUID) {
 	}

 	settings := &PostgresMonitoringSettings{
-		DatabaseID:                         dbID,
-		IsSystemResourcesMonitoringEnabled: true,
-		IsDbResourcesMonitoringEnabled:     true,
-		IsQueriesMonitoringEnabled:         true,
-		MonitoringIntervalSeconds:          15,
-	}
-
-	err = s.ensureExtensionsInstalled(
-		dbID,
-		[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgProctab},
-	)
-	if err != nil {
-		settings.IsSystemResourcesMonitoringEnabled = false
-	} else {
-		settings.AddInstalledExtensions([]tools.PostgresqlExtension{tools.PostgresqlExtensionPgProctab})
-	}
-
-	err = s.ensureExtensionsInstalled(
-		dbID,
-		[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgStatMonitor},
-	)
-	if err != nil {
-		settings.IsQueriesMonitoringEnabled = false
-	} else {
-		settings.AddInstalledExtensions([]tools.PostgresqlExtension{tools.PostgresqlExtensionPgStatMonitor})
+		DatabaseID:                     dbID,
+		IsDbResourcesMonitoringEnabled: true,
+		MonitoringIntervalSeconds:      60,
 	}

 	err = s.postgresMonitoringSettingsRepository.Save(settings)
@@ -74,47 +51,6 @@ func (s *PostgresMonitoringSettingsService) Save(
 		return errors.New("user does not have access to this database")
 	}

-	existingSettings, err := s.postgresMonitoringSettingsRepository.GetByDbID(settings.DatabaseID)
-	if err != nil {
-		return err
-	}
-
-	if existingSettings != nil &&
-		settings.IsSystemResourcesMonitoringEnabled &&
-		!existingSettings.IsSystemResourcesMonitoringEnabled {
-		err := s.ensureExtensionsInstalled(
-			settings.DatabaseID,
-			[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgProctab},
-		)
-		if err != nil {
-			return errors.New(
-				"failed to install pg_proctab extension, system resources is not possible (please, disable it)",
-			)
-		}
-
-		settings.AddInstalledExtensions(
-			[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgProctab},
-		)
-	}
-
-	if existingSettings != nil &&
-		settings.IsQueriesMonitoringEnabled &&
-		!existingSettings.IsQueriesMonitoringEnabled {
-		err := s.ensureExtensionsInstalled(
-			settings.DatabaseID,
-			[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgStatMonitor},
-		)
-		if err != nil {
-			return errors.New(
-				"failed to install pg_stat_monitor extension, queries monitoring is not possible (please, disable it)",
-			)
-		}
-
-		settings.AddInstalledExtensions(
-			[]tools.PostgresqlExtension{tools.PostgresqlExtensionPgStatMonitor},
-		)
-	}
-
 	return s.postgresMonitoringSettingsRepository.Save(settings)
 }

@@ -149,31 +85,8 @@ func (s *PostgresMonitoringSettingsService) GetByDbID(
 	return dbSettings, nil
 }

-func (s *PostgresMonitoringSettingsService) ensureExtensionsInstalled(
-	dbID uuid.UUID,
-	extensions []tools.PostgresqlExtension,
-) error {
-	database, err := s.databaseService.GetDatabaseByID(dbID)
-	if err != nil {
-		return err
-	}
-
-	if database.Type != databases.DatabaseTypePostgres {
-		return errors.New("database is not a postgres database")
-	}
-
-	if database.Postgresql == nil {
-		return errors.New("database is not a postgres database")
-	}
-
-	if database.Postgresql.Version < tools.PostgresqlVersion16 {
-		return errors.New("system monitoring extensions supported for postgres 16+")
-	}
-
-	err = database.Postgresql.InstallExtensions(extensions)
-	if err != nil {
-		return err
-	}
-
-	return nil
+func (s *PostgresMonitoringSettingsService) GetAllDbsWithEnabledDbMonitoring() (
+	[]PostgresMonitoringSettings, error,
+) {
+	return s.postgresMonitoringSettingsRepository.GetAllDbsWithEnabledDbMonitoring()
 }
--- a/backend/internal/features/monitoring/postgres/settings/service_test.go
+++ b/backend/internal/features/monitoring/postgres/settings/service_test.go
@@ -2,12 +2,10 @@ package postgres_monitoring_settings

 import (
 	"postgresus-backend/internal/features/databases"
-	"postgresus-backend/internal/features/databases/databases/postgresql"
 	"postgresus-backend/internal/features/notifiers"
 	"postgresus-backend/internal/features/storages"
 	"postgresus-backend/internal/features/users"
 	users_models "postgresus-backend/internal/features/users/models"
-	"postgresus-backend/internal/util/tools"
 	"testing"

 	"github.com/google/uuid"
@@ -33,7 +31,7 @@ func getTestUserModel() *users_models.User {
 	return user
 }

-func Test_DatabaseCreated_SettingsCreatedAndExtensionsInstalled(t *testing.T) {
+func Test_DatabaseCreated_SettingsCreated(t *testing.T) {
 	// Get or create a test user
 	testUserResponse := users.GetTestUser()
 	storage := storages.CreateTestStorage(testUserResponse.UserID)
@@ -60,161 +58,8 @@ func Test_DatabaseCreated_SettingsCreatedAndExtensionsInstalled(t *testing.T) {

 	// Verify default settings values
 	assert.Equal(t, database.ID, settings.DatabaseID)
-	assert.Equal(t, int64(15), settings.MonitoringIntervalSeconds)
+	assert.Equal(t, int64(60), settings.MonitoringIntervalSeconds)
 	assert.True(t, settings.IsDbResourcesMonitoringEnabled) // Always enabled
-
-	// System and queries monitoring may be disabled if extension installation fails
-	// in the test environment, but the service should handle this gracefully
-	// We test the logic by checking the installed extensions field
-	t.Logf("System monitoring enabled: %v", settings.IsSystemResourcesMonitoringEnabled)
-	t.Logf("Queries monitoring enabled: %v", settings.IsQueriesMonitoringEnabled)
-	t.Logf("Installed extensions: %v", settings.InstalledExtensions)
-
-	// If system monitoring is enabled, pg_proctab should be in installed extensions
-	if settings.IsSystemResourcesMonitoringEnabled {
-		assert.Contains(t, settings.InstalledExtensions, tools.PostgresqlExtensionPgProctab,
-			"If system monitoring is enabled, pg_proctab extension should be tracked")
-	}
-
-	// If queries monitoring is enabled, pg_stat_monitor should be in installed extensions
-	if settings.IsQueriesMonitoringEnabled {
-		assert.Contains(t, settings.InstalledExtensions, tools.PostgresqlExtensionPgStatMonitor,
-			"If queries monitoring is enabled, pg_stat_monitor extension should be tracked")
-	}
-}
-
-func Test_DatabaseCreated_PrePostgres16_ExtensionsNotSupported(t *testing.T) {
-	// Test that extension-based monitoring is disabled for older PostgreSQL versions
-	testUserResponse := users.GetTestUser()
-	storage := storages.CreateTestStorage(testUserResponse.UserID)
-	notifier := notifiers.CreateTestNotifier(testUserResponse.UserID)
-
-	// Note: We manually create the database here because CreateTestDatabase always uses PostgreSQL 16,
-	// but this test specifically needs PostgreSQL 14 to verify older version behavior
-	testDatabase := &databases.Database{
-		UserID: testUserResponse.UserID,
-		Name:   "Old PostgreSQL Database " + uuid.New().String(),
-		Type:   databases.DatabaseTypePostgres,
-		Postgresql: &postgresql.PostgresqlDatabase{
-			Version:  tools.PostgresqlVersion14, // Older version
-			Host:     "localhost",
-			Port:     5432,
-			Username: "test",
-			Password: "test",
-			Database: func() *string { s := "test_db"; return &s }(),
-		},
-		Notifiers: []notifiers.Notifier{*notifier},
-	}
-
-	// Save the test database
-	repo := &databases.DatabaseRepository{}
-	database, err := repo.Save(testDatabase)
-	assert.NoError(t, err)
-
-	defer storages.RemoveTestStorage(storage.ID)
-	defer notifiers.RemoveTestNotifier(notifier)
-	defer repo.Delete(database.ID)
-
-	// Get the monitoring settings service
-	service := GetPostgresMonitoringSettingsService()
-
-	// Execute - trigger the database creation event
-	service.OnDatabaseCreated(database.ID)
-
-	// Verify settings were created
-	settingsRepo := GetPostgresMonitoringSettingsRepository()
-	settings, err := settingsRepo.GetByDbID(database.ID)
-	assert.NoError(t, err)
-	assert.NotNil(t, settings)
-
-	// For pre-16 versions, extension-based monitoring should be disabled
-	// because ensureExtensionsInstalled should return an error for versions < 16
-	assert.False(t, settings.IsSystemResourcesMonitoringEnabled,
-		"System monitoring should be disabled for PostgreSQL versions < 16")
-	assert.False(t, settings.IsQueriesMonitoringEnabled,
-		"Queries monitoring should be disabled for PostgreSQL versions < 16")
-
-	// DB resources monitoring should still be enabled (doesn't require extensions)
-	assert.True(t, settings.IsDbResourcesMonitoringEnabled)
-
-	// No extensions should be installed for older versions
-	assert.Empty(t, settings.InstalledExtensions,
-		"No extensions should be installed for PostgreSQL versions < 16")
-}
-
-func Test_MonitoringEnabled_ExtensionsInstalled(t *testing.T) {
-	// Get or create a test user
-	testUser := getTestUserModel()
-	testUserResponse := users.GetTestUser()
-	storage := storages.CreateTestStorage(testUserResponse.UserID)
-	notifier := notifiers.CreateTestNotifier(testUserResponse.UserID)
-	database := databases.CreateTestDatabase(testUserResponse.UserID, storage, notifier)
-
-	defer storages.RemoveTestStorage(storage.ID)
-	defer notifiers.RemoveTestNotifier(notifier)
-	defer databases.RemoveTestDatabase(database)
-
-	// Create initial settings with monitoring disabled
-	service := GetPostgresMonitoringSettingsService()
-	settingsRepo := GetPostgresMonitoringSettingsRepository()
-
-	initialSettings := &PostgresMonitoringSettings{
-		DatabaseID:                         database.ID,
-		IsSystemResourcesMonitoringEnabled: false,
-		IsDbResourcesMonitoringEnabled:     true,
-		IsQueriesMonitoringEnabled:         false,
-		MonitoringIntervalSeconds:          15,
-	}
-
-	err := settingsRepo.Save(initialSettings)
-	assert.NoError(t, err)
-
-	// Test enabling system monitoring - extension installation might fail in test environment
-	systemSettings := &PostgresMonitoringSettings{
-		DatabaseID:                         database.ID,
-		IsSystemResourcesMonitoringEnabled: true,
-		IsDbResourcesMonitoringEnabled:     true,
-		IsQueriesMonitoringEnabled:         false,
-		MonitoringIntervalSeconds:          15,
-	}
-
-	err = service.Save(testUser, systemSettings)
-	// In test environment, extension installation might fail - this is expected behavior
-	if err != nil {
-		t.Logf("Extension installation failed as expected in test environment: %v", err)
-		assert.Contains(t, err.Error(), "failed to install pg_proctab extension")
-		return // Test passed - service correctly handles extension installation failures
-	}
-
-	// If extension installation succeeded, verify the settings
-	updatedSettings, err := settingsRepo.GetByDbID(database.ID)
-	assert.NoError(t, err)
-	assert.True(t, updatedSettings.IsSystemResourcesMonitoringEnabled)
-	assert.Contains(t, updatedSettings.InstalledExtensions, tools.PostgresqlExtensionPgProctab)
-
-	// Test enabling queries monitoring - should install pg_stat_monitor extension
-	queriesSettings := &PostgresMonitoringSettings{
-		DatabaseID:                         database.ID,
-		IsSystemResourcesMonitoringEnabled: true,
-		IsDbResourcesMonitoringEnabled:     true,
-		IsQueriesMonitoringEnabled:         true,
-		MonitoringIntervalSeconds:          15,
-	}
-
-	err = service.Save(testUser, queriesSettings)
-	if err != nil {
-		t.Logf("Queries monitoring extension installation failed: %v", err)
-		assert.Contains(t, err.Error(), "failed to install pg_stat_monitor extension")
-		return // Test passed - service correctly handles extension installation failures
-	}
-
-	// If both extensions installed successfully, verify final state
-	finalSettings, err := settingsRepo.GetByDbID(database.ID)
-	assert.NoError(t, err)
-	assert.True(t, finalSettings.IsSystemResourcesMonitoringEnabled)
-	assert.True(t, finalSettings.IsQueriesMonitoringEnabled)
-	assert.Contains(t, finalSettings.InstalledExtensions, tools.PostgresqlExtensionPgProctab)
-	assert.Contains(t, finalSettings.InstalledExtensions, tools.PostgresqlExtensionPgStatMonitor)
 }

 func Test_GetSettingsByDbID_SettingsReturned(t *testing.T) {
@@ -236,7 +81,7 @@ func Test_GetSettingsByDbID_SettingsReturned(t *testing.T) {
 	assert.NoError(t, err)
 	assert.NotNil(t, settings)
 	assert.Equal(t, database.ID, settings.DatabaseID)
-	assert.Equal(t, int64(15), settings.MonitoringIntervalSeconds)
+	assert.Equal(t, int64(60), settings.MonitoringIntervalSeconds)
 	assert.True(t, settings.IsDbResourcesMonitoringEnabled) // Always enabled

 	// Test 2: Get settings that already exist
--- a/backend/internal/util/tools/enums.go
+++ b/backend/internal/util/tools/enums.go
@@ -8,8 +8,6 @@ import (
 type PostgresqlExtension string

 const (
-	// needed for system monitoring (CPU, RAM)
-	PostgresqlExtensionPgProctab PostgresqlExtension = "pg_proctab"
 	// needed for queries monitoring
 	PostgresqlExtensionPgStatMonitor PostgresqlExtension = "pg_stat_statements"
 )
--- a/backend/migrations/20250912092352_add_monitoring_metrics.sql
+++ b/backend/migrations/20250912092352_add_monitoring_metrics.sql
@@ -4,9 +4,7 @@
 -- Create postgres_monitoring_settings table
 CREATE TABLE postgres_monitoring_settings (
    database_id                             UUID PRIMARY KEY,
-    is_system_resources_monitoring_enabled  BOOLEAN NOT NULL DEFAULT FALSE,
    is_db_resources_monitoring_enabled      BOOLEAN NOT NULL DEFAULT FALSE,
-    is_queries_monitoring_enabled           BOOLEAN NOT NULL DEFAULT FALSE,
    monitoring_interval_seconds             BIGINT NOT NULL DEFAULT 60,
    installed_extensions_raw                TEXT
 );
--- a/contribute/README.md
+++ b/contribute/README.md
@@ -71,6 +71,12 @@ If you need to add some explanation, do it in appropriate place in the code. Or

 Before taking anything more than a couple of lines of code, please write Rostislav via Telegram (@rostislav_dugin) and confirm priority. It is possible that we already have something in the works, it is not needed or it's not project priority.

+Nearsest features:
+- add system metrics (CPU, RAM, disk, IO) (in progress by Rostislav Dugin)
+- add copying of databases
+- add API keys and API actions
+- add UI component of backups lazy loaded
+
 Backups flow:

 - do not remove old backups on backups disable
@@ -96,12 +102,11 @@ Extra:

 Monitoring flow:

- add system metrics (CPU, RAM, disk, IO) (in progress by Rostislav Dugin)
+
 - add queries stats (slowest, most frequent, etc. via pg_stat_statements)
- add triggering backups and restores via API
+- add DB size distribution chart (tables, indexes, etc.)
 - add alerting for slow queries (listen for slow query and if they reach >100ms - send message)
 - add alerting for high resource usage (listen for high resource usage and if they reach >90% - send message)
- add DB size distribution chart (tables, indexes, etc.)
 - add performance test for DB (to compare DBs on different clouds and VPS)
 - add DB metrics (pg_stat_activity, pg_locks, pg_stat_database)
 - add chart of connections (from IPs, apps names, etc.)
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -15,6 +15,7 @@
        "react-dom": "^19.1.0",
        "react-github-btn": "^1.4.0",
        "react-router": "^7.6.0",
+        "recharts": "^3.2.0",
        "tailwindcss": "^4.1.7"
      },
      "devDependencies": {
@@ -1315,6 +1316,32 @@
        "react-dom": ">=16.9.0"
      }
    },
+    "node_modules/@reduxjs/toolkit": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@reduxjs/toolkit/-/toolkit-2.9.0.tgz",
+      "integrity": "sha512-fSfQlSRu9Z5yBkvsNhYF2rPS8cGXn/TZVrlwN1948QyZ8xMZ0JvP50S2acZNaf+o63u6aEeMjipFyksjIcWrog==",
+      "license": "MIT",
+      "dependencies": {
+        "@standard-schema/spec": "^1.0.0",
+        "@standard-schema/utils": "^0.3.0",
+        "immer": "^10.0.3",
+        "redux": "^5.0.1",
+        "redux-thunk": "^3.1.0",
+        "reselect": "^5.1.0"
+      },
+      "peerDependencies": {
+        "react": "^16.9.0 || ^17.0.0 || ^18 || ^19",
+        "react-redux": "^7.2.1 || ^8.1.3 || ^9.0.0"
+      },
+      "peerDependenciesMeta": {
+        "react": {
+          "optional": true
+        },
+        "react-redux": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/@rollup/rollup-android-arm-eabi": {
      "version": "4.41.0",
      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.41.0.tgz",
@@ -1575,6 +1602,18 @@
        "win32"
      ]
    },
+    "node_modules/@standard-schema/spec": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.0.0.tgz",
+      "integrity": "sha512-m2bOd0f2RT9k8QJx1JN85cZYyH1RqFBdlwtkSlf4tBDYLCiiZnv1fIIwacK6cqwXavOydf0NPToMQgpKq+dVlA==",
+      "license": "MIT"
+    },
+    "node_modules/@standard-schema/utils": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/utils/-/utils-0.3.0.tgz",
+      "integrity": "sha512-e7Mew686owMaPJVNNLs55PUvgz371nKgwsc4vxE49zsODpJEnxgxRo2y/OKrqueavXgZNMDVj3DdHFlaSAeU8g==",
+      "license": "MIT"
+    },
    "node_modules/@tailwindcss/node": {
      "version": "4.1.7",
      "resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.1.7.tgz",
@@ -1917,6 +1956,69 @@
        "@babel/types": "^7.20.7"
      }
    },
+    "node_modules/@types/d3-array": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/@types/d3-array/-/d3-array-3.2.2.tgz",
+      "integrity": "sha512-hOLWVbm7uRza0BYXpIIW5pxfrKe0W+D5lrFiAEYR+pb6w3N2SwSMaJbXdUfSEv+dT4MfHBLtn5js0LAWaO6otw==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-color": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
+      "integrity": "sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-ease": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@types/d3-ease/-/d3-ease-3.0.2.tgz",
+      "integrity": "sha512-NcV1JjO5oDzoK26oMzbILE6HW7uVXOHLQvHshBUW4UMdZGfiY6v5BeQwh9a9tCzv+CeefZQHJt5SRgK154RtiA==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-interpolate": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/d3-interpolate/-/d3-interpolate-3.0.4.tgz",
+      "integrity": "sha512-mgLPETlrpVV1YRJIglr4Ez47g7Yxjl1lj7YKsiMCb27VJH9W8NVM6Bb9d8kkpG/uAQS5AmbA48q2IAolKKo1MA==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/d3-color": "*"
+      }
+    },
+    "node_modules/@types/d3-path": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/@types/d3-path/-/d3-path-3.1.1.tgz",
+      "integrity": "sha512-VMZBYyQvbGmWyWVea0EHs/BwLgxc+MKi1zLDCONksozI4YJMcTt8ZEuIR4Sb1MMTE8MMW49v0IwI5+b7RmfWlg==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-scale": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/d3-scale/-/d3-scale-4.0.9.tgz",
+      "integrity": "sha512-dLmtwB8zkAeO/juAMfnV+sItKjlsw2lKdZVVy6LRr0cBmegxSABiLEpGVmSJJ8O08i4+sGR6qQtb6WtuwJdvVw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/d3-time": "*"
+      }
+    },
+    "node_modules/@types/d3-shape": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/@types/d3-shape/-/d3-shape-3.1.7.tgz",
+      "integrity": "sha512-VLvUQ33C+3J+8p+Daf+nYSOsjB4GXp19/S/aGo60m9h1v6XaxjiT82lKVWJCfzhtuZ3yD7i/TPeC/fuKLLOSmg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/d3-path": "*"
+      }
+    },
+    "node_modules/@types/d3-time": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/d3-time/-/d3-time-3.0.4.tgz",
+      "integrity": "sha512-yuzZug1nkAAaBlBBikKZTgzCeA+k1uy4ZFwWANOfKw5z5LRhV0gNA7gNkKm7HoK+HRN0wX3EkxGk0fpbWhmB7g==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-timer": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@types/d3-timer/-/d3-timer-3.0.2.tgz",
+      "integrity": "sha512-Ps3T8E8dZDam6fUyNiMkekK3XUsaUEik+idO9/YjPtfj2qruF8tFBXS7XhtE4iIXBLxhmLjP3SXpLhVf21I9Lw==",
+      "license": "MIT"
+    },
    "node_modules/@types/estree": {
      "version": "1.0.7",
      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.7.tgz",
@@ -1934,7 +2036,7 @@
      "version": "19.1.4",
      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.4.tgz",
      "integrity": "sha512-EB1yiiYdvySuIITtD5lhW4yPyJ31RkJkkDw794LaQYrxCSaQV/47y5o1FMC4zF9ZyjUjzJMZwbovEnT5yHTW6g==",
-      "dev": true,
+      "devOptional": true,
      "license": "MIT",
      "dependencies": {
        "csstype": "^3.0.2"
@@ -1950,6 +2052,12 @@
        "@types/react": "^19.0.0"
      }
    },
+    "node_modules/@types/use-sync-external-store": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/@types/use-sync-external-store/-/use-sync-external-store-0.0.6.tgz",
+      "integrity": "sha512-zFDAD+tlpf2r4asuHEj0XH6pY6i0g5NeAHPn+15wk3BV6JA69eERFXC1gyGThDkVa1zCyKr5jox1+2LbV/AMLg==",
+      "license": "MIT"
+    },
    "node_modules/@typescript-eslint/eslint-plugin": {
      "version": "8.32.1",
      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.32.1.tgz",
@@ -2666,6 +2774,15 @@
      "integrity": "sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==",
      "license": "MIT"
    },
+    "node_modules/clsx": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
+      "integrity": "sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
    "node_modules/color-convert": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -2745,6 +2862,127 @@
      "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
      "license": "MIT"
    },
+    "node_modules/d3-array": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-3.2.4.tgz",
+      "integrity": "sha512-tdQAmyA18i4J7wprpYq8ClcxZy3SC31QMeByyCFyRt7BVHdREQZ5lpzoe5mFEYZUWe+oq8HBvk9JjpibyEV4Jg==",
+      "license": "ISC",
+      "dependencies": {
+        "internmap": "1 - 2"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-color": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-ease": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-ease/-/d3-ease-3.0.1.tgz",
+      "integrity": "sha512-wR/XK3D3XcLIZwpbvQwQ5fK+8Ykds1ip7A2Txe0yxncXSdq1L9skcG7blcedkOX+ZcgxGAmLX1FrRGbADwzi0w==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-format": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-3.1.0.tgz",
+      "integrity": "sha512-YyUI6AEuY/Wpt8KWLgZHsIU86atmikuoOmCfommt0LYHiQSPjvX2AcFc38PX0CBpr2RCyZhjex+NS/LPOv6YqA==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-interpolate": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-3.0.1.tgz",
+      "integrity": "sha512-3bYs1rOD33uo8aqJfKP3JWPAibgw8Zm2+L9vBKEHJ2Rg+viTR7o5Mmv5mZcieN+FRYaAOWX5SJATX6k1PWz72g==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-color": "1 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-path": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-3.1.0.tgz",
+      "integrity": "sha512-p3KP5HCf/bvjBSSKuXid6Zqijx7wIfNW+J/maPs+iwR35at5JCbLUT0LzF1cnjbCHWhqzQTIN2Jpe8pRebIEFQ==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-scale": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-4.0.2.tgz",
+      "integrity": "sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-array": "2.10.0 - 3",
+        "d3-format": "1 - 3",
+        "d3-interpolate": "1.2.0 - 3",
+        "d3-time": "2.1.1 - 3",
+        "d3-time-format": "2 - 4"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-shape": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/d3-shape/-/d3-shape-3.2.0.tgz",
+      "integrity": "sha512-SaLBuwGm3MOViRq2ABk3eLoxwZELpH6zhl3FbAoJ7Vm1gofKx6El1Ib5z23NUEhF9AsGl7y+dzLe5Cw2AArGTA==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-path": "^3.1.0"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-time": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-3.1.0.tgz",
+      "integrity": "sha512-VqKjzBLejbSMT4IgbmVgDjpkYrNWUYJnbCGo874u7MMKIWsILRX+OpX/gTk8MqjpT1A/c6HY2dCA77ZN0lkQ2Q==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-array": "2 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-time-format": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/d3-time-format/-/d3-time-format-4.1.0.tgz",
+      "integrity": "sha512-dJxPBlzC7NugB2PDLwo9Q8JiTR3M3e4/XANkreKSUxF8vvXKqm1Yfq4Q5dl8budlunRVlUUaDUgFt7eA8D6NLg==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-time": "1 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-timer": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-3.0.1.tgz",
+      "integrity": "sha512-ndfJ/JxxMd3nw31uyKoY2naivF+r29V+Lc0svZxe1JvvIRmi8hUsrMvdOwgS1o6uBHmiz91geQ0ylPP0aj1VUA==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
    "node_modules/data-view-buffer": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/data-view-buffer/-/data-view-buffer-1.0.2.tgz",
@@ -2823,6 +3061,12 @@
        }
      }
    },
+    "node_modules/decimal.js-light": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/decimal.js-light/-/decimal.js-light-2.5.1.tgz",
+      "integrity": "sha512-qIMFpTMZmny+MMIitAB6D7iVPEorVw6YQRWkvarTkT4tBeSLLiHzcwj6q0MmYSFCiVpiqPJTJEYIrpcPzVEIvg==",
+      "license": "MIT"
+    },
    "node_modules/deep-is": {
      "version": "0.1.4",
      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -3097,6 +3341,16 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/es-toolkit": {
+      "version": "1.39.10",
+      "resolved": "https://registry.npmjs.org/es-toolkit/-/es-toolkit-1.39.10.tgz",
+      "integrity": "sha512-E0iGnTtbDhkeczB0T+mxmoVlT4YNweEKBLq7oaU4p11mecdsZpNWOglI4895Vh4usbQ+LsJiuLuI2L0Vdmfm2w==",
+      "license": "MIT",
+      "workspaces": [
+        "docs",
+        "benchmarks"
+      ]
+    },
    "node_modules/esbuild": {
      "version": "0.25.4",
      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.25.4.tgz",
@@ -3371,6 +3625,12 @@
        "node": ">=0.10.0"
      }
    },
+    "node_modules/eventemitter3": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.1.tgz",
+      "integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA==",
+      "license": "MIT"
+    },
    "node_modules/fast-deep-equal": {
      "version": "3.1.3",
      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3813,6 +4073,16 @@
        "node": ">= 4"
      }
    },
+    "node_modules/immer": {
+      "version": "10.1.3",
+      "resolved": "https://registry.npmjs.org/immer/-/immer-10.1.3.tgz",
+      "integrity": "sha512-tmjF/k8QDKydUlm3mZU+tjM6zeq9/fFpPqH9SzWmBnVVKsPBg/V66qsMwb3/Bo90cgUN+ghdVBess+hPsxUyRw==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/immer"
+      }
+    },
    "node_modules/import-fresh": {
      "version": "3.3.1",
      "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.1.tgz",
@@ -3855,6 +4125,15 @@
        "node": ">= 0.4"
      }
    },
+    "node_modules/internmap": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
+      "integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
    "node_modules/is-array-buffer": {
      "version": "3.0.5",
      "resolved": "https://registry.npmjs.org/is-array-buffer/-/is-array-buffer-3.0.5.tgz",
@@ -5879,9 +6158,31 @@
      "version": "16.13.1",
      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
-      "dev": true,
      "license": "MIT"
    },
+    "node_modules/react-redux": {
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/react-redux/-/react-redux-9.2.0.tgz",
+      "integrity": "sha512-ROY9fvHhwOD9ySfrF0wmvu//bKCQ6AeZZq1nJNtbDC+kk5DuSuNX/n6YWYF/SYy7bSba4D4FSz8DJeKY/S/r+g==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/use-sync-external-store": "^0.0.6",
+        "use-sync-external-store": "^1.4.0"
+      },
+      "peerDependencies": {
+        "@types/react": "^18.2.25 || ^19",
+        "react": "^18.0 || ^19",
+        "redux": "^5.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "redux": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/react-refresh": {
      "version": "0.17.0",
      "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz",
@@ -5914,6 +6215,48 @@
        }
      }
    },
+    "node_modules/recharts": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/recharts/-/recharts-3.2.0.tgz",
+      "integrity": "sha512-fX0xCgNXo6mag9wz3oLuANR+dUQM4uIlTYBGTGq9CBRgW/8TZPzqPGYs5NTt8aENCf+i1CI8vqxT1py8L/5J2w==",
+      "license": "MIT",
+      "dependencies": {
+        "@reduxjs/toolkit": "1.x.x || 2.x.x",
+        "clsx": "^2.1.1",
+        "decimal.js-light": "^2.5.1",
+        "es-toolkit": "^1.39.3",
+        "eventemitter3": "^5.0.1",
+        "immer": "^10.1.1",
+        "react-redux": "8.x.x || 9.x.x",
+        "reselect": "5.1.1",
+        "tiny-invariant": "^1.3.3",
+        "use-sync-external-store": "^1.2.2",
+        "victory-vendor": "^37.0.2"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-is": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/redux": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/redux/-/redux-5.0.1.tgz",
+      "integrity": "sha512-M9/ELqF6fy8FwmkpnF0S3YKOqMyoWJ4+CS5Efg2ct3oY9daQvd/Pc71FpGZsVsbl3Cpb+IIcjBDUnnyBdQbq4w==",
+      "license": "MIT"
+    },
+    "node_modules/redux-thunk": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/redux-thunk/-/redux-thunk-3.1.0.tgz",
+      "integrity": "sha512-NW2r5T6ksUKXCabzhL9z+h206HQw/NJkcLm1GPImRQ8IzfXwRGqjVhKJGauHirT0DAuyy6hjdnMZaRoAcy0Klw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "redux": "^5.0.0"
+      }
+    },
    "node_modules/reflect.getprototypeof": {
      "version": "1.0.10",
      "resolved": "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.10.tgz",
@@ -5958,6 +6301,12 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/reselect": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/reselect/-/reselect-5.1.1.tgz",
+      "integrity": "sha512-K/BG6eIky/SBpzfHZv/dd+9JBFiS4SWV7FIujVyJRux6e45+73RaUHXLmIR1f7WOMaQ0U1km6qwklRQxpJJY0w==",
+      "license": "MIT"
+    },
    "node_modules/resize-observer-polyfill": {
      "version": "1.5.1",
      "resolved": "https://registry.npmjs.org/resize-observer-polyfill/-/resize-observer-polyfill-1.5.1.tgz",
@@ -6508,6 +6857,12 @@
        "node": ">=12.22"
      }
    },
+    "node_modules/tiny-invariant": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.3.3.tgz",
+      "integrity": "sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==",
+      "license": "MIT"
+    },
    "node_modules/tinyglobby": {
      "version": "0.2.13",
      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.13.tgz",
@@ -6770,6 +7125,37 @@
        "punycode": "^2.1.0"
      }
    },
+    "node_modules/use-sync-external-store": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.5.0.tgz",
+      "integrity": "sha512-Rb46I4cGGVBmjamjphe8L/UnvJD+uPPtTkNvX5mZgqdbavhI4EbgIWJiIHXJ8bc/i9EQGPRh4DwEURJ552Do0A==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/victory-vendor": {
+      "version": "37.3.6",
+      "resolved": "https://registry.npmjs.org/victory-vendor/-/victory-vendor-37.3.6.tgz",
+      "integrity": "sha512-SbPDPdDBYp+5MJHhBCAyI7wKM3d5ivekigc2Dk2s7pgbZ9wIgIBYGVw4zGHBml/qTFbexrofXW6Gu4noGxrOwQ==",
+      "license": "MIT AND ISC",
+      "dependencies": {
+        "@types/d3-array": "^3.0.3",
+        "@types/d3-ease": "^3.0.0",
+        "@types/d3-interpolate": "^3.0.1",
+        "@types/d3-scale": "^4.0.2",
+        "@types/d3-shape": "^3.1.0",
+        "@types/d3-time": "^3.0.0",
+        "@types/d3-timer": "^3.0.0",
+        "d3-array": "^3.1.6",
+        "d3-ease": "^3.0.1",
+        "d3-interpolate": "^3.0.1",
+        "d3-scale": "^4.0.2",
+        "d3-shape": "^3.1.0",
+        "d3-time": "^3.0.0",
+        "d3-timer": "^3.0.1"
+      }
+    },
    "node_modules/vite": {
      "version": "6.3.5",
      "resolved": "https://registry.npmjs.org/vite/-/vite-6.3.5.tgz",
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -18,6 +18,7 @@
    "react-dom": "^19.1.0",
    "react-github-btn": "^1.4.0",
    "react-router": "^7.6.0",
+    "recharts": "^3.2.0",
    "tailwindcss": "^4.1.7"
  },
  "devDependencies": {
--- a/frontend/src/entity/monitoring/index.ts
+++ b/frontend/src/entity/monitoring/index.ts
@@ -0,0 +1,2 @@
+export * from './metrics';
+export * from './settings';
--- a/frontend/src/entity/monitoring/metrics/api/metricsApi.ts
+++ b/frontend/src/entity/monitoring/metrics/api/metricsApi.ts
@@ -0,0 +1,16 @@
+import { getApplicationServer } from '../../../../constants';
+import RequestOptions from '../../../../shared/api/RequestOptions';
+import { apiHelper } from '../../../../shared/api/apiHelper';
+import type { GetMetricsRequest } from '../model/GetMetricsRequest';
+import type { PostgresMonitoringMetric } from '../model/PostgresMonitoringMetric';
+
+export const metricsApi = {
+  async getMetrics(request: GetMetricsRequest): Promise<PostgresMonitoringMetric[]> {
+    const requestOptions: RequestOptions = new RequestOptions();
+    requestOptions.setBody(JSON.stringify(request));
+    return apiHelper.fetchPostJson<PostgresMonitoringMetric[]>(
+      `${getApplicationServer()}/api/v1/postgres-monitoring-metrics/get`,
+      requestOptions,
+    );
+  },
+};
--- a/frontend/src/entity/monitoring/metrics/index.ts
+++ b/frontend/src/entity/monitoring/metrics/index.ts
@@ -0,0 +1,5 @@
+export { metricsApi } from './api/metricsApi';
+export type { PostgresMonitoringMetric } from './model/PostgresMonitoringMetric';
+export type { GetMetricsRequest } from './model/GetMetricsRequest';
+export { PostgresMonitoringMetricType } from './model/PostgresMonitoringMetricType';
+export { PostgresMonitoringMetricValueType } from './model/PostgresMonitoringMetricValueType';
--- a/frontend/src/entity/monitoring/metrics/model/GetMetricsRequest.ts
+++ b/frontend/src/entity/monitoring/metrics/model/GetMetricsRequest.ts
@@ -0,0 +1,8 @@
+import type { PostgresMonitoringMetricType } from './PostgresMonitoringMetricType';
+
+export interface GetMetricsRequest {
+  databaseId: string;
+  metricType: PostgresMonitoringMetricType;
+  from: string;
+  to: string;
+}
--- a/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetric.ts
+++ b/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetric.ts
@@ -0,0 +1,11 @@
+import type { PostgresMonitoringMetricType } from './PostgresMonitoringMetricType';
+import type { PostgresMonitoringMetricValueType } from './PostgresMonitoringMetricValueType';
+
+export interface PostgresMonitoringMetric {
+  id: string;
+  databaseId: string;
+  metric: PostgresMonitoringMetricType;
+  valueType: PostgresMonitoringMetricValueType;
+  value: number;
+  createdAt: string;
+}
--- a/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetricType.ts
+++ b/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetricType.ts
@@ -0,0 +1,4 @@
+export enum PostgresMonitoringMetricType {
+  DB_RAM_USAGE = 'DB_RAM_USAGE',
+  DB_IO_USAGE = 'DB_IO_USAGE',
+}
--- a/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetricValueType.ts
+++ b/frontend/src/entity/monitoring/metrics/model/PostgresMonitoringMetricValueType.ts
@@ -0,0 +1,4 @@
+export enum PostgresMonitoringMetricValueType {
+  BYTE = 'BYTE',
+  PERCENT = 'PERCENT',
+}
--- a/frontend/src/entity/monitoring/settings/api/monitoringSettingsApi.ts
+++ b/frontend/src/entity/monitoring/settings/api/monitoringSettingsApi.ts
@@ -0,0 +1,24 @@
+import { getApplicationServer } from '../../../../constants';
+import RequestOptions from '../../../../shared/api/RequestOptions';
+import { apiHelper } from '../../../../shared/api/apiHelper';
+import type { PostgresMonitoringSettings } from '../model/PostgresMonitoringSettings';
+
+export const monitoringSettingsApi = {
+  async saveSettings(settings: PostgresMonitoringSettings) {
+    const requestOptions: RequestOptions = new RequestOptions();
+    requestOptions.setBody(JSON.stringify(settings));
+    return apiHelper.fetchPostJson<PostgresMonitoringSettings>(
+      `${getApplicationServer()}/api/v1/postgres-monitoring-settings/save`,
+      requestOptions,
+    );
+  },
+
+  async getSettingsByDbID(databaseId: string) {
+    const requestOptions: RequestOptions = new RequestOptions();
+    return apiHelper.fetchGetJson<PostgresMonitoringSettings>(
+      `${getApplicationServer()}/api/v1/postgres-monitoring-settings/database/${databaseId}`,
+      requestOptions,
+      true,
+    );
+  },
+};
--- a/frontend/src/entity/monitoring/settings/index.ts
+++ b/frontend/src/entity/monitoring/settings/index.ts
@@ -0,0 +1,3 @@
+export { monitoringSettingsApi } from './api/monitoringSettingsApi';
+export type { PostgresMonitoringSettings } from './model/PostgresMonitoringSettings';
+export { PostgresqlExtension } from './model/PostgresqlExtension';
--- a/frontend/src/entity/monitoring/settings/model/PostgresMonitoringSettings.ts
+++ b/frontend/src/entity/monitoring/settings/model/PostgresMonitoringSettings.ts
@@ -0,0 +1,13 @@
+import type { Database } from '../../../databases';
+import { PostgresqlExtension } from './PostgresqlExtension';
+
+export interface PostgresMonitoringSettings {
+  databaseId: string;
+  database?: Database;
+
+  isDbResourcesMonitoringEnabled: boolean;
+  monitoringIntervalSeconds: number;
+
+  installedExtensions: PostgresqlExtension[];
+  installedExtensionsRaw?: string;
+}
--- a/frontend/src/entity/monitoring/settings/model/PostgresqlExtension.ts
+++ b/frontend/src/entity/monitoring/settings/model/PostgresqlExtension.ts
@@ -0,0 +1,4 @@
+export enum PostgresqlExtension {
+  PG_PROCTAB = 'pg_proctab',
+  PG_STAT_STATEMENTS = 'pg_stat_statements',
+}
--- a/frontend/src/features/backups/ui/BackupsComponent.tsx
+++ b/frontend/src/features/backups/ui/BackupsComponent.tsx
@@ -350,7 +350,7 @@ export const BackupsComponent = ({ database }: Props) => {
  }

  return (
-    <div className="mt-5 w-full rounded bg-white p-5 shadow">
+    <div className="mt-5 w-full rounded-md bg-white p-5 shadow">
      <h2 className="text-xl font-bold">Backups</h2>

      <div className="mt-5" />
--- a/frontend/src/features/databases/ui/DatabaseComponent.tsx
+++ b/frontend/src/features/databases/ui/DatabaseComponent.tsx
@@ -1,25 +1,12 @@
-import { CloseOutlined, InfoCircleOutlined } from '@ant-design/icons';
-import { Button, Input, Spin } from 'antd';
+import { Spin } from 'antd';
 import { useState } from 'react';
 import { useEffect } from 'react';

 import { type Database, databaseApi } from '../../../entity/databases';
-import { ToastHelper } from '../../../shared/toast';
-import { ConfirmationComponent } from '../../../shared/ui';
-import {
-  BackupsComponent,
-  EditBackupConfigComponent,
-  ShowBackupConfigComponent,
-} from '../../backups';
-import {
-  EditHealthcheckConfigComponent,
-  HealthckeckAttemptsComponent,
-  ShowHealthcheckConfigComponent,
-} from '../../healthcheck';
-import { EditDatabaseNotifiersComponent } from './edit/EditDatabaseNotifiersComponent';
-import { EditDatabaseSpecificDataComponent } from './edit/EditDatabaseSpecificDataComponent';
-import { ShowDatabaseNotifiersComponent } from './show/ShowDatabaseNotifiersComponent';
-import { ShowDatabaseSpecificDataComponent } from './show/ShowDatabaseSpecificDataComponent';
+import { BackupsComponent } from '../../backups';
+import { HealthckeckAttemptsComponent } from '../../healthcheck';
+import { MetricsComponent } from '../../monitoring/metrics';
+import { DatabaseConfigComponent } from './DatabaseConfigComponent';

 interface Props {
  contentHeight: number;
@@ -34,94 +21,10 @@ export const DatabaseComponent = ({
  onDatabaseChanged,
  onDatabaseDeleted,
 }: Props) => {
+  const [currentTab, setCurrentTab] = useState<'config' | 'backups' | 'metrics'>('backups');
+
  const [database, setDatabase] = useState<Database | undefined>();
-
-  const [isEditName, setIsEditName] = useState(false);
-  const [isEditDatabaseSpecificDataSettings, setIsEditDatabaseSpecificDataSettings] =
-    useState(false);
-  const [isEditBackupConfig, setIsEditBackupConfig] = useState(false);
-  const [isEditNotifiersSettings, setIsEditNotifiersSettings] = useState(false);
-  const [isEditHealthcheckSettings, setIsEditHealthcheckSettings] = useState(false);
-
  const [editDatabase, setEditDatabase] = useState<Database | undefined>();
-  const [isNameUnsaved, setIsNameUnsaved] = useState(false);
-  const [isSaving, setIsSaving] = useState(false);
-
-  const [isTestingConnection, setIsTestingConnection] = useState(false);
-
-  const [isShowRemoveConfirm, setIsShowRemoveConfirm] = useState(false);
-  const [isRemoving, setIsRemoving] = useState(false);
-
-  const testConnection = () => {
-    if (!database) return;
-
-    setIsTestingConnection(true);
-    databaseApi
-      .testDatabaseConnection(database.id)
-      .then(() => {
-        ToastHelper.showToast({
-          title: 'Connection test successful!',
-          description: 'Database connection tested successfully',
-        });
-
-        if (database.lastBackupErrorMessage) {
-          setDatabase({ ...database, lastBackupErrorMessage: undefined });
-          onDatabaseChanged(database);
-        }
-      })
-      .catch((e: Error) => {
-        alert(e.message);
-      })
-      .finally(() => {
-        setIsTestingConnection(false);
-      });
-  };
-
-  const remove = () => {
-    if (!database) return;
-
-    setIsRemoving(true);
-    databaseApi
-      .deleteDatabase(database.id)
-      .then(() => {
-        onDatabaseDeleted();
-      })
-      .catch((e: Error) => {
-        alert(e.message);
-      })
-      .finally(() => {
-        setIsRemoving(false);
-      });
-  };
-
-  const startEdit = (type: 'name' | 'database' | 'backup-config' | 'notifiers' | 'healthcheck') => {
-    setEditDatabase(JSON.parse(JSON.stringify(database)));
-    setIsEditName(type === 'name');
-    setIsEditDatabaseSpecificDataSettings(type === 'database');
-    setIsEditBackupConfig(type === 'backup-config');
-    setIsEditNotifiersSettings(type === 'notifiers');
-    setIsEditHealthcheckSettings(type === 'healthcheck');
-    setIsNameUnsaved(false);
-  };
-
-  const saveName = () => {
-    if (!editDatabase) return;
-
-    setIsSaving(true);
-    databaseApi
-      .updateDatabase(editDatabase)
-      .then(() => {
-        setDatabase(editDatabase);
-        setIsSaving(false);
-        setIsNameUnsaved(false);
-        setIsEditName(false);
-        onDatabaseChanged(editDatabase);
-      })
-      .catch((e: Error) => {
-        alert(e.message);
-        setIsSaving(false);
-      });
-  };

  const loadSettings = () => {
    setDatabase(undefined);
@@ -133,278 +36,52 @@ export const DatabaseComponent = ({
    loadSettings();
  }, [databaseId]);

+  if (!database) {
+    return <Spin />;
+  }
+
  return (
    <div className="w-full overflow-y-auto" style={{ maxHeight: contentHeight }}>
-      <div className="w-full rounded bg-white p-5 shadow">
-        {!database ? (
-          <div className="mt-10 flex justify-center">
-            <Spin />
-          </div>
-        ) : (
-          <div>
-            {!isEditName ? (
-              <div className="mb-5 flex items-center text-2xl font-bold">
-                {database.name}
-                <div className="ml-2 cursor-pointer" onClick={() => startEdit('name')}>
-                  <img src="/icons/pen-gray.svg" />
-                </div>
-              </div>
-            ) : (
-              <div>
-                <div className="flex items-center">
-                  <Input
-                    className="max-w-[250px]"
-                    value={editDatabase?.name}
-                    onChange={(e) => {
-                      if (!editDatabase) return;
+      <div className="flex">
+        <div
+          className={`mr-2 cursor-pointer rounded-tl-md rounded-tr-md px-6 py-2 ${currentTab === 'config' ? 'bg-white' : 'bg-gray-200'}`}
+          onClick={() => setCurrentTab('config')}
+        >
+          Config
+        </div>

-                      setEditDatabase({ ...editDatabase, name: e.target.value });
-                      setIsNameUnsaved(true);
-                    }}
-                    placeholder="Enter name..."
-                    size="large"
-                  />
+        <div
+          className={`mr-2 cursor-pointer rounded-tl-md rounded-tr-md px-6 py-2 ${currentTab === 'backups' ? 'bg-white' : 'bg-gray-200'}`}
+          onClick={() => setCurrentTab('backups')}
+        >
+          Backups
+        </div>

-                  <div className="ml-1 flex items-center">
-                    <Button
-                      type="text"
-                      className="flex h-6 w-6 items-center justify-center p-0"
-                      onClick={() => {
-                        setIsEditName(false);
-                        setIsNameUnsaved(false);
-                        setEditDatabase(undefined);
-                      }}
-                    >
-                      <CloseOutlined className="text-gray-500" />
-                    </Button>
-                  </div>
-                </div>
-
-                {isNameUnsaved && (
-                  <Button
-                    className="mt-1"
-                    type="primary"
-                    onClick={() => saveName()}
-                    loading={isSaving}
-                    disabled={!editDatabase?.name}
-                  >
-                    Save
-                  </Button>
-                )}
-              </div>
-            )}
-
-            {database.lastBackupErrorMessage && (
-              <div className="max-w-[400px] rounded border border-red-600 px-3 py-3">
-                <div className="mt-1 flex items-center text-sm font-bold text-red-600">
-                  <InfoCircleOutlined className="mr-2" style={{ color: 'red' }} />
-                  Last backup error
-                </div>
-
-                <div className="mt-3 text-sm">
-                  The error:
-                  <br />
-                  {database.lastBackupErrorMessage}
-                </div>
-
-                <div className="mt-3 text-sm text-gray-500">
-                  To clean this error (choose any):
-                  <ul>
-                    <li>- test connection via button below (even if you updated settings);</li>
-                    <li>- wait until the next backup is done without errors;</li>
-                  </ul>
-                </div>
-              </div>
-            )}
-
-            <div className="flex flex-wrap gap-10">
-              <div className="w-[400px]">
-                <div className="mt-5 flex items-center font-bold">
-                  <div>Database settings</div>
-
-                  {!isEditDatabaseSpecificDataSettings ? (
-                    <div
-                      className="ml-2 h-4 w-4 cursor-pointer"
-                      onClick={() => startEdit('database')}
-                    >
-                      <img src="/icons/pen-gray.svg" />
-                    </div>
-                  ) : (
-                    <div />
-                  )}
-                </div>
-
-                <div className="mt-1 text-sm">
-                  {isEditDatabaseSpecificDataSettings ? (
-                    <EditDatabaseSpecificDataComponent
-                      database={database}
-                      isShowCancelButton
-                      isShowBackButton={false}
-                      onBack={() => {}}
-                      onCancel={() => {
-                        setIsEditDatabaseSpecificDataSettings(false);
-                        loadSettings();
-                      }}
-                      isSaveToApi={true}
-                      onSaved={onDatabaseChanged}
-                    />
-                  ) : (
-                    <ShowDatabaseSpecificDataComponent database={database} />
-                  )}
-                </div>
-              </div>
-
-              <div className="w-[400px]">
-                <div className="mt-5 flex items-center font-bold">
-                  <div>Backup config</div>
-
-                  {!isEditBackupConfig ? (
-                    <div
-                      className="ml-2 h-4 w-4 cursor-pointer"
-                      onClick={() => startEdit('backup-config')}
-                    >
-                      <img src="/icons/pen-gray.svg" />
-                    </div>
-                  ) : (
-                    <div />
-                  )}
-                </div>
-
-                <div>
-                  <div className="mt-1 text-sm">
-                    {isEditBackupConfig ? (
-                      <EditBackupConfigComponent
-                        database={database}
-                        isShowCancelButton
-                        onCancel={() => {
-                          setIsEditBackupConfig(false);
-                          loadSettings();
-                        }}
-                        isSaveToApi={true}
-                        onSaved={() => onDatabaseChanged(database)}
-                        isShowBackButton={false}
-                        onBack={() => {}}
-                      />
-                    ) : (
-                      <ShowBackupConfigComponent database={database} />
-                    )}
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            <div className="flex flex-wrap gap-10">
-              <div className="w-[400px]">
-                <div className="mt-5 flex items-center font-bold">
-                  <div>Healthcheck settings</div>
-
-                  {!isEditHealthcheckSettings ? (
-                    <div
-                      className="ml-2 h-4 w-4 cursor-pointer"
-                      onClick={() => startEdit('healthcheck')}
-                    >
-                      <img src="/icons/pen-gray.svg" />
-                    </div>
-                  ) : (
-                    <div />
-                  )}
-                </div>
-
-                <div className="mt-1 text-sm">
-                  {isEditHealthcheckSettings ? (
-                    <EditHealthcheckConfigComponent
-                      databaseId={database.id}
-                      onClose={() => {
-                        setIsEditHealthcheckSettings(false);
-                        loadSettings();
-                      }}
-                    />
-                  ) : (
-                    <ShowHealthcheckConfigComponent databaseId={database.id} />
-                  )}
-                </div>
-              </div>
-
-              <div className="w-[400px]">
-                <div className="mt-5 flex items-center font-bold">
-                  <div>Notifiers settings</div>
-
-                  {!isEditNotifiersSettings ? (
-                    <div
-                      className="ml-2 h-4 w-4 cursor-pointer"
-                      onClick={() => startEdit('notifiers')}
-                    >
-                      <img src="/icons/pen-gray.svg" />
-                    </div>
-                  ) : (
-                    <div />
-                  )}
-                </div>
-
-                <div className="mt-1 text-sm">
-                  {isEditNotifiersSettings ? (
-                    <EditDatabaseNotifiersComponent
-                      database={database}
-                      isShowCancelButton
-                      isShowBackButton={false}
-                      isShowSaveOnlyForUnsaved={true}
-                      onBack={() => {}}
-                      onCancel={() => {
-                        setIsEditNotifiersSettings(false);
-                        loadSettings();
-                      }}
-                      isSaveToApi={true}
-                      saveButtonText="Save"
-                      onSaved={onDatabaseChanged}
-                    />
-                  ) : (
-                    <ShowDatabaseNotifiersComponent database={database} />
-                  )}
-                </div>
-              </div>
-            </div>
-
-            {!isEditDatabaseSpecificDataSettings && (
-              <div className="mt-10">
-                <Button
-                  type="primary"
-                  className="mr-1"
-                  ghost
-                  onClick={testConnection}
-                  loading={isTestingConnection}
-                  disabled={isTestingConnection}
-                >
-                  Test connection
-                </Button>
-
-                <Button
-                  type="primary"
-                  danger
-                  onClick={() => setIsShowRemoveConfirm(true)}
-                  ghost
-                  loading={isRemoving}
-                  disabled={isRemoving}
-                >
-                  Remove
-                </Button>
-              </div>
-            )}
-          </div>
-        )}
-
-        {isShowRemoveConfirm && (
-          <ConfirmationComponent
-            onConfirm={remove}
-            onDecline={() => setIsShowRemoveConfirm(false)}
-            description="Are you sure you want to remove this database? This action cannot be undone."
-            actionText="Remove"
-            actionButtonColor="red"
-          />
-        )}
+        <div
+          className={`cursor-pointer rounded-tl-md rounded-tr-md px-6 py-2 ${currentTab === 'metrics' ? 'bg-white' : 'bg-gray-200'}`}
+          onClick={() => setCurrentTab('metrics')}
+        >
+          Metrics
+        </div>
      </div>

-      {database && <HealthckeckAttemptsComponent database={database} />}
-      {database && <BackupsComponent database={database} />}
+      {currentTab === 'config' && (
+        <DatabaseConfigComponent
+          database={database}
+          setDatabase={setDatabase}
+          onDatabaseChanged={onDatabaseChanged}
+          onDatabaseDeleted={onDatabaseDeleted}
+          editDatabase={editDatabase}
+          setEditDatabase={setEditDatabase}
+        />
+      )}
+      {currentTab === 'backups' && (
+        <>
+          <HealthckeckAttemptsComponent database={database} />
+          <BackupsComponent database={database} />
+        </>
+      )}
+      {currentTab === 'metrics' && <MetricsComponent databaseId={database.id} />}
    </div>
  );
 };
--- a/frontend/src/features/databases/ui/DatabaseConfigComponent.tsx
+++ b/frontend/src/features/databases/ui/DatabaseConfigComponent.tsx
@@ -0,0 +1,418 @@
+import { CloseOutlined, InfoCircleOutlined } from '@ant-design/icons';
+import { Button, Input } from 'antd';
+import { useState } from 'react';
+
+import { type Database, databaseApi } from '../../../entity/databases';
+import { ToastHelper } from '../../../shared/toast';
+import { ConfirmationComponent } from '../../../shared/ui';
+import { EditBackupConfigComponent, ShowBackupConfigComponent } from '../../backups';
+import { EditHealthcheckConfigComponent, ShowHealthcheckConfigComponent } from '../../healthcheck';
+import {
+  EditMonitoringSettingsComponent,
+  ShowMonitoringSettingsComponent,
+} from '../../monitoring/settings';
+import { EditDatabaseNotifiersComponent } from './edit/EditDatabaseNotifiersComponent';
+import { EditDatabaseSpecificDataComponent } from './edit/EditDatabaseSpecificDataComponent';
+import { ShowDatabaseNotifiersComponent } from './show/ShowDatabaseNotifiersComponent';
+import { ShowDatabaseSpecificDataComponent } from './show/ShowDatabaseSpecificDataComponent';
+
+interface Props {
+  database: Database;
+  setDatabase: (database?: Database | undefined) => void;
+  onDatabaseChanged: (database: Database) => void;
+  onDatabaseDeleted: () => void;
+  editDatabase: Database | undefined;
+  setEditDatabase: (database: Database | undefined) => void;
+}
+
+export const DatabaseConfigComponent = ({
+  database,
+  setDatabase,
+  onDatabaseChanged,
+  onDatabaseDeleted,
+  editDatabase,
+  setEditDatabase,
+}: Props) => {
+  const [isEditName, setIsEditName] = useState(false);
+  const [isEditDatabaseSpecificDataSettings, setIsEditDatabaseSpecificDataSettings] =
+    useState(false);
+  const [isEditBackupConfig, setIsEditBackupConfig] = useState(false);
+  const [isEditNotifiersSettings, setIsEditNotifiersSettings] = useState(false);
+  const [isEditHealthcheckSettings, setIsEditHealthcheckSettings] = useState(false);
+  const [isEditMonitoringSettings, setIsEditMonitoringSettings] = useState(false);
+
+  const [isNameUnsaved, setIsNameUnsaved] = useState(false);
+  const [isSaving, setIsSaving] = useState(false);
+
+  const [isTestingConnection, setIsTestingConnection] = useState(false);
+
+  const [isShowRemoveConfirm, setIsShowRemoveConfirm] = useState(false);
+  const [isRemoving, setIsRemoving] = useState(false);
+
+  const loadSettings = () => {
+    setDatabase(undefined);
+    setEditDatabase(undefined);
+    databaseApi.getDatabase(database.id).then(setDatabase);
+  };
+
+  const testConnection = () => {
+    if (!database) return;
+
+    setIsTestingConnection(true);
+    databaseApi
+      .testDatabaseConnection(database.id)
+      .then(() => {
+        ToastHelper.showToast({
+          title: 'Connection test successful!',
+          description: 'Database connection tested successfully',
+        });
+
+        if (database.lastBackupErrorMessage) {
+          setDatabase({ ...database, lastBackupErrorMessage: undefined });
+          onDatabaseChanged(database);
+        }
+      })
+      .catch((e: Error) => {
+        alert(e.message);
+      })
+      .finally(() => {
+        setIsTestingConnection(false);
+      });
+  };
+
+  const remove = () => {
+    if (!database) return;
+
+    setIsRemoving(true);
+    databaseApi
+      .deleteDatabase(database.id)
+      .then(() => {
+        onDatabaseDeleted();
+      })
+      .catch((e: Error) => {
+        alert(e.message);
+      })
+      .finally(() => {
+        setIsRemoving(false);
+      });
+  };
+
+  const startEdit = (
+    type: 'name' | 'database' | 'backup-config' | 'notifiers' | 'healthcheck' | 'monitoring',
+  ) => {
+    setEditDatabase(JSON.parse(JSON.stringify(database)));
+    setIsEditName(type === 'name');
+    setIsEditDatabaseSpecificDataSettings(type === 'database');
+    setIsEditBackupConfig(type === 'backup-config');
+    setIsEditNotifiersSettings(type === 'notifiers');
+    setIsEditHealthcheckSettings(type === 'healthcheck');
+    setIsEditMonitoringSettings(type === 'monitoring');
+    setIsNameUnsaved(false);
+  };
+
+  const saveName = () => {
+    if (!editDatabase) return;
+
+    setIsSaving(true);
+    databaseApi
+      .updateDatabase(editDatabase)
+      .then(() => {
+        setDatabase(editDatabase);
+        setIsSaving(false);
+        setIsNameUnsaved(false);
+        setIsEditName(false);
+        onDatabaseChanged(editDatabase);
+      })
+      .catch((e: Error) => {
+        alert(e.message);
+        setIsSaving(false);
+      });
+  };
+
+  return (
+    <div className="w-full rounded-tr-md rounded-br-md rounded-bl-md bg-white p-5 shadow">
+      {!isEditName ? (
+        <div className="mb-5 flex items-center text-2xl font-bold">
+          {database.name}
+          <div className="ml-2 cursor-pointer" onClick={() => startEdit('name')}>
+            <img src="/icons/pen-gray.svg" />
+          </div>
+        </div>
+      ) : (
+        <div>
+          <div className="flex items-center">
+            <Input
+              className="max-w-[250px]"
+              value={editDatabase?.name}
+              onChange={(e) => {
+                if (!editDatabase) return;
+
+                setEditDatabase({ ...editDatabase, name: e.target.value });
+                setIsNameUnsaved(true);
+              }}
+              placeholder="Enter name..."
+              size="large"
+            />
+
+            <div className="ml-1 flex items-center">
+              <Button
+                type="text"
+                className="flex h-6 w-6 items-center justify-center p-0"
+                onClick={() => {
+                  setIsEditName(false);
+                  setIsNameUnsaved(false);
+                  setEditDatabase(undefined);
+                }}
+              >
+                <CloseOutlined className="text-gray-500" />
+              </Button>
+            </div>
+          </div>
+
+          {isNameUnsaved && (
+            <Button
+              className="mt-1"
+              type="primary"
+              onClick={() => saveName()}
+              loading={isSaving}
+              disabled={!editDatabase?.name}
+            >
+              Save
+            </Button>
+          )}
+        </div>
+      )}
+
+      {database.lastBackupErrorMessage && (
+        <div className="max-w-[400px] rounded border border-red-600 px-3 py-3">
+          <div className="mt-1 flex items-center text-sm font-bold text-red-600">
+            <InfoCircleOutlined className="mr-2" style={{ color: 'red' }} />
+            Last backup error
+          </div>
+
+          <div className="mt-3 text-sm">
+            The error:
+            <br />
+            {database.lastBackupErrorMessage}
+          </div>
+
+          <div className="mt-3 text-sm text-gray-500">
+            To clean this error (choose any):
+            <ul>
+              <li>- test connection via button below (even if you updated settings);</li>
+              <li>- wait until the next backup is done without errors;</li>
+            </ul>
+          </div>
+        </div>
+      )}
+
+      <div className="flex flex-wrap gap-10">
+        <div className="w-[400px]">
+          <div className="mt-5 flex items-center font-bold">
+            <div>Database settings</div>
+
+            {!isEditDatabaseSpecificDataSettings ? (
+              <div className="ml-2 h-4 w-4 cursor-pointer" onClick={() => startEdit('database')}>
+                <img src="/icons/pen-gray.svg" />
+              </div>
+            ) : (
+              <div />
+            )}
+          </div>
+
+          <div className="mt-1 text-sm">
+            {isEditDatabaseSpecificDataSettings ? (
+              <EditDatabaseSpecificDataComponent
+                database={database}
+                isShowCancelButton
+                isShowBackButton={false}
+                onBack={() => {}}
+                onCancel={() => {
+                  setIsEditDatabaseSpecificDataSettings(false);
+                  loadSettings();
+                }}
+                isSaveToApi={true}
+                onSaved={onDatabaseChanged}
+              />
+            ) : (
+              <ShowDatabaseSpecificDataComponent database={database} />
+            )}
+          </div>
+        </div>
+
+        <div className="w-[400px]">
+          <div className="mt-5 flex items-center font-bold">
+            <div>Backup config</div>
+
+            {!isEditBackupConfig ? (
+              <div
+                className="ml-2 h-4 w-4 cursor-pointer"
+                onClick={() => startEdit('backup-config')}
+              >
+                <img src="/icons/pen-gray.svg" />
+              </div>
+            ) : (
+              <div />
+            )}
+          </div>
+
+          <div>
+            <div className="mt-1 text-sm">
+              {isEditBackupConfig ? (
+                <EditBackupConfigComponent
+                  database={database}
+                  isShowCancelButton
+                  onCancel={() => {
+                    setIsEditBackupConfig(false);
+                    loadSettings();
+                  }}
+                  isSaveToApi={true}
+                  onSaved={() => onDatabaseChanged(database)}
+                  isShowBackButton={false}
+                  onBack={() => {}}
+                />
+              ) : (
+                <ShowBackupConfigComponent database={database} />
+              )}
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className="flex flex-wrap gap-10">
+        <div className="w-[400px]">
+          <div className="mt-5 flex items-center font-bold">
+            <div>Healthcheck settings</div>
+
+            {!isEditHealthcheckSettings ? (
+              <div className="ml-2 h-4 w-4 cursor-pointer" onClick={() => startEdit('healthcheck')}>
+                <img src="/icons/pen-gray.svg" />
+              </div>
+            ) : (
+              <div />
+            )}
+          </div>
+
+          <div className="mt-1 text-sm">
+            {isEditHealthcheckSettings ? (
+              <EditHealthcheckConfigComponent
+                databaseId={database.id}
+                onClose={() => {
+                  setIsEditHealthcheckSettings(false);
+                  loadSettings();
+                }}
+              />
+            ) : (
+              <ShowHealthcheckConfigComponent databaseId={database.id} />
+            )}
+          </div>
+        </div>
+
+        <div className="w-[400px]">
+          <div className="mt-5 flex items-center font-bold">
+            <div>Notifiers settings</div>
+
+            {!isEditNotifiersSettings ? (
+              <div className="ml-2 h-4 w-4 cursor-pointer" onClick={() => startEdit('notifiers')}>
+                <img src="/icons/pen-gray.svg" />
+              </div>
+            ) : (
+              <div />
+            )}
+          </div>
+
+          <div className="mt-1 text-sm">
+            {isEditNotifiersSettings ? (
+              <EditDatabaseNotifiersComponent
+                database={database}
+                isShowCancelButton
+                isShowBackButton={false}
+                isShowSaveOnlyForUnsaved={true}
+                onBack={() => {}}
+                onCancel={() => {
+                  setIsEditNotifiersSettings(false);
+                  loadSettings();
+                }}
+                isSaveToApi={true}
+                saveButtonText="Save"
+                onSaved={onDatabaseChanged}
+              />
+            ) : (
+              <ShowDatabaseNotifiersComponent database={database} />
+            )}
+          </div>
+        </div>
+      </div>
+
+      <div className="flex flex-wrap gap-10">
+        <div className="w-[400px]">
+          <div className="mt-5 flex items-center font-bold">
+            <div>Monitoring settings</div>
+
+            {!isEditMonitoringSettings ? (
+              <div className="ml-2 h-4 w-4 cursor-pointer" onClick={() => startEdit('monitoring')}>
+                <img src="/icons/pen-gray.svg" />
+              </div>
+            ) : (
+              <div />
+            )}
+          </div>
+
+          <div className="mt-1 text-sm">
+            {isEditMonitoringSettings ? (
+              <EditMonitoringSettingsComponent
+                database={database}
+                onCancel={() => {
+                  setIsEditMonitoringSettings(false);
+                  loadSettings();
+                }}
+                onSaved={() => {
+                  setIsEditMonitoringSettings(false);
+                  loadSettings();
+                }}
+              />
+            ) : (
+              <ShowMonitoringSettingsComponent database={database} />
+            )}
+          </div>
+        </div>
+      </div>
+
+      {!isEditDatabaseSpecificDataSettings && (
+        <div className="mt-10">
+          <Button
+            type="primary"
+            className="mr-1"
+            ghost
+            onClick={testConnection}
+            loading={isTestingConnection}
+            disabled={isTestingConnection}
+          >
+            Test connection
+          </Button>
+
+          <Button
+            type="primary"
+            danger
+            onClick={() => setIsShowRemoveConfirm(true)}
+            ghost
+            loading={isRemoving}
+            disabled={isRemoving}
+          >
+            Remove
+          </Button>
+        </div>
+      )}
+
+      {isShowRemoveConfirm && (
+        <ConfirmationComponent
+          onConfirm={remove}
+          onDecline={() => setIsShowRemoveConfirm(false)}
+          description="Are you sure you want to remove this database? This action cannot be undone."
+          actionText="Remove"
+          actionButtonColor="red"
+        />
+      )}
+    </div>
+  );
+};
--- a/frontend/src/features/healthcheck/ui/HealthckeckAttemptsComponent.tsx
+++ b/frontend/src/features/healthcheck/ui/HealthckeckAttemptsComponent.tsx
@@ -118,7 +118,7 @@ export const HealthckeckAttemptsComponent = ({ database }: Props) => {
  }

  return (
-    <div className="mt-5 w-full rounded bg-white p-5 shadow">
+    <div className="w-full rounded-tr-md rounded-br-md rounded-bl-md bg-white p-5 shadow">
      <h2 className="text-xl font-bold">Healthcheck attempts</h2>

      <div className="mt-4 flex items-center gap-2">
--- a/frontend/src/features/monitoring/metrics/index.ts
+++ b/frontend/src/features/monitoring/metrics/index.ts
@@ -0,0 +1 @@
+export { MetricsComponent } from './ui/MetricsComponent';
--- a/frontend/src/features/monitoring/metrics/ui/MetricsComponent.tsx
+++ b/frontend/src/features/monitoring/metrics/ui/MetricsComponent.tsx
@@ -0,0 +1,245 @@
+import { InfoCircleOutlined } from '@ant-design/icons';
+import { Button, Spin } from 'antd';
+import dayjs from 'dayjs';
+import { useEffect, useState } from 'react';
+import {
+  CartesianGrid,
+  Line,
+  LineChart,
+  ResponsiveContainer,
+  Tooltip,
+  XAxis,
+  YAxis,
+} from 'recharts';
+
+import type { GetMetricsRequest, PostgresMonitoringMetric } from '../../../../entity/monitoring';
+import { PostgresMonitoringMetricType, metricsApi } from '../../../../entity/monitoring';
+
+interface Props {
+  databaseId: string;
+}
+
+type Period = '1H' | '24H' | '7D' | '1M';
+
+interface ChartDataPoint {
+  timestamp: string;
+  displayTime: string;
+  ramUsage?: number;
+  ioUsage?: number;
+}
+
+const formatBytes = (bytes: number): string => {
+  const units = ['B', 'KB', 'MB', 'GB', 'TB'];
+  let size = bytes;
+  let unitIndex = 0;
+
+  while (size >= 1024 && unitIndex < units.length - 1) {
+    size /= 1024;
+    unitIndex++;
+  }
+
+  return `${size.toFixed(1)} ${units[unitIndex]}`;
+};
+
+const getDateRange = (period: Period) => {
+  const now = dayjs();
+  let from: dayjs.Dayjs;
+
+  switch (period) {
+    case '1H':
+      from = now.subtract(1, 'hour');
+      break;
+    case '24H':
+      from = now.subtract(24, 'hours');
+      break;
+    case '7D':
+      from = now.subtract(7, 'days');
+      break;
+    case '1M':
+      from = now.subtract(1, 'month');
+      break;
+    default:
+      from = now.subtract(24, 'hours');
+  }
+
+  return {
+    from: from.toISOString(),
+    to: now.toISOString(),
+  };
+};
+
+const getDisplayTime = (timestamp: string, period: Period): string => {
+  const date = dayjs(timestamp);
+
+  switch (period) {
+    case '1H':
+      return date.format('HH:mm');
+    case '24H':
+      return date.format('HH:mm');
+    case '7D':
+      return date.format('MM/DD HH:mm');
+    case '1M':
+      return date.format('MM/DD');
+    default:
+      return date.format('HH:mm');
+  }
+};
+
+export const MetricsComponent = ({ databaseId }: Props) => {
+  const [selectedPeriod, setSelectedPeriod] = useState<Period>('24H');
+  const [isLoading, setIsLoading] = useState(false);
+  const [ramData, setRamData] = useState<PostgresMonitoringMetric[]>([]);
+  const [ioData, setIoData] = useState<PostgresMonitoringMetric[]>([]);
+
+  const loadMetrics = async (period: Period) => {
+    setIsLoading(true);
+
+    try {
+      const { from, to } = getDateRange(period);
+
+      const [ramMetrics, ioMetrics] = await Promise.all([
+        metricsApi.getMetrics({
+          databaseId,
+          metricType: PostgresMonitoringMetricType.DB_RAM_USAGE,
+          from,
+          to,
+        } as GetMetricsRequest),
+        metricsApi.getMetrics({
+          databaseId,
+          metricType: PostgresMonitoringMetricType.DB_IO_USAGE,
+          from,
+          to,
+        } as GetMetricsRequest),
+      ]);
+
+      setRamData(ramMetrics);
+      setIoData(ioMetrics);
+    } catch (error) {
+      alert((error as Error).message);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    loadMetrics(selectedPeriod);
+  }, [databaseId, selectedPeriod]);
+
+  const prepareChartData = (): ChartDataPoint[] => {
+    // Create a map for easier lookup
+    const ramMap = new Map(ramData.map((item) => [item.createdAt, item.value]));
+    const ioMap = new Map(ioData.map((item) => [item.createdAt, item.value]));
+
+    // Get all unique timestamps and sort them
+    const allTimestamps = Array.from(
+      new Set([...ramData.map((d) => d.createdAt), ...ioData.map((d) => d.createdAt)]),
+    ).sort();
+
+    return allTimestamps.map((timestamp) => ({
+      timestamp,
+      displayTime: getDisplayTime(timestamp, selectedPeriod),
+      ramUsage: ramMap.get(timestamp),
+      ioUsage: ioMap.get(timestamp),
+    }));
+  };
+
+  const chartData = prepareChartData();
+
+  const periodButtons: Period[] = ['1H', '24H', '7D', '1M'];
+
+  if (isLoading) {
+    return (
+      <div className="flex justify-center p-8">
+        <Spin size="large" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="w-full rounded-tr-md rounded-br-md rounded-bl-md bg-white p-5 shadow">
+      <div className="mb-6">
+        <h3 className="mb-4 text-lg font-bold">Database Metrics</h3>
+
+        <div className="mb-4 rounded-md border border-yellow-300 bg-yellow-50 p-3 text-sm text-yellow-800">
+          <div className="flex items-center">
+            <InfoCircleOutlined className="mr-2 text-yellow-600" />
+            This feature is in development. Do not consider it as production ready.
+          </div>
+        </div>
+
+        <div className="flex gap-2">
+          {periodButtons.map((period) => (
+            <Button
+              key={period}
+              type={selectedPeriod === period ? 'primary' : 'default'}
+              onClick={() => setSelectedPeriod(period)}
+              size="small"
+            >
+              {period}
+            </Button>
+          ))}
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 gap-6 lg:grid-cols-2">
+        {/* RAM Usage Chart */}
+        <div>
+          <h4 className="mb-3 text-base font-semibold">RAM Usage (cumulative)</h4>
+          <div style={{ width: '100%', height: '300px' }}>
+            <ResponsiveContainer width="100%" height="100%">
+              <LineChart data={chartData} margin={{ top: 10, right: 30, left: 20, bottom: 5 }}>
+                <CartesianGrid strokeDasharray="3 3" stroke="#f0f0f0" />
+                <XAxis dataKey="displayTime" tick={{ fontSize: 12 }} stroke="#666" />
+                <YAxis tickFormatter={formatBytes} tick={{ fontSize: 12 }} stroke="#666" />
+                <Tooltip
+                  formatter={(value: number) => [formatBytes(value), 'RAM Usage']}
+                  labelStyle={{ color: '#666' }}
+                />
+                <Line
+                  type="monotone"
+                  dataKey="ramUsage"
+                  stroke="#1890ff"
+                  strokeWidth={2}
+                  dot={{ fill: '#1890ff', strokeWidth: 2, r: 3 }}
+                  connectNulls={false}
+                />
+              </LineChart>
+            </ResponsiveContainer>
+          </div>
+        </div>
+
+        {/* IO Usage Chart */}
+        <div>
+          <h4 className="mb-3 text-base font-semibold">IO Usage (cumulative)</h4>
+          <div style={{ width: '100%', height: '300px' }}>
+            <ResponsiveContainer width="100%" height="100%">
+              <LineChart data={chartData} margin={{ top: 10, right: 30, left: 20, bottom: 5 }}>
+                <CartesianGrid strokeDasharray="3 3" stroke="#f0f0f0" />
+                <XAxis dataKey="displayTime" tick={{ fontSize: 12 }} stroke="#666" />
+                <YAxis tickFormatter={formatBytes} tick={{ fontSize: 12 }} stroke="#666" />
+                <Tooltip
+                  formatter={(value: number) => [formatBytes(value), 'IO Usage']}
+                  labelStyle={{ color: '#666' }}
+                />
+                <Line
+                  type="monotone"
+                  dataKey="ioUsage"
+                  stroke="#52c41a"
+                  strokeWidth={2}
+                  dot={{ fill: '#52c41a', strokeWidth: 2, r: 3 }}
+                  connectNulls={false}
+                />
+              </LineChart>
+            </ResponsiveContainer>
+          </div>
+        </div>
+      </div>
+
+      {chartData.length === 0 && (
+        <div className="mt-6 text-center text-gray-500">
+          No metrics data available for the selected period
+        </div>
+      )}
+    </div>
+  );
+};
--- a/frontend/src/features/monitoring/settings/index.ts
+++ b/frontend/src/features/monitoring/settings/index.ts
@@ -0,0 +1,2 @@
+export { ShowMonitoringSettingsComponent } from './ui/ShowMonitoringSettingsComponent';
+export { EditMonitoringSettingsComponent } from './ui/EditMonitoringSettingsComponent';
--- a/frontend/src/features/monitoring/settings/ui/EditMonitoringSettingsComponent.tsx
+++ b/frontend/src/features/monitoring/settings/ui/EditMonitoringSettingsComponent.tsx
@@ -0,0 +1,122 @@
+import { InfoCircleOutlined } from '@ant-design/icons';
+import { Button, Select, Spin, Switch, Tooltip } from 'antd';
+import { useEffect, useState } from 'react';
+
+import type { Database } from '../../../../entity/databases';
+import type { PostgresMonitoringSettings } from '../../../../entity/monitoring/settings';
+import { monitoringSettingsApi } from '../../../../entity/monitoring/settings';
+
+interface Props {
+  database: Database;
+
+  onCancel: () => void;
+  onSaved: (monitoringSettings: PostgresMonitoringSettings) => void;
+}
+
+const intervalOptions = [
+  { label: '15 seconds', value: 15 },
+  { label: '30 seconds', value: 30 },
+  { label: '1 minute', value: 60 },
+  { label: '2 minutes', value: 120 },
+  { label: '5 minutes', value: 300 },
+  { label: '10 minutes', value: 600 },
+  { label: '15 minutes', value: 900 },
+  { label: '30 minutes', value: 1800 },
+  { label: '1 hour', value: 3600 },
+];
+
+export const EditMonitoringSettingsComponent = ({ database, onCancel, onSaved }: Props) => {
+  const [monitoringSettings, setMonitoringSettings] = useState<PostgresMonitoringSettings>();
+  const [isUnsaved, setIsUnsaved] = useState(false);
+  const [isSaving, setIsSaving] = useState(false);
+
+  const updateSettings = (patch: Partial<PostgresMonitoringSettings>) => {
+    setMonitoringSettings((prev) => (prev ? { ...prev, ...patch } : prev));
+    setIsUnsaved(true);
+  };
+
+  const saveSettings = async () => {
+    if (!monitoringSettings) return;
+
+    setIsSaving(true);
+
+    try {
+      await monitoringSettingsApi.saveSettings(monitoringSettings);
+      setIsUnsaved(false);
+      onSaved(monitoringSettings);
+    } catch (e) {
+      alert((e as Error).message);
+    }
+
+    setIsSaving(false);
+  };
+
+  useEffect(() => {
+    monitoringSettingsApi
+      .getSettingsByDbID(database.id)
+      .then((res) => {
+        setMonitoringSettings(res);
+        setIsUnsaved(false);
+        setIsSaving(false);
+      })
+      .catch((e) => {
+        alert((e as Error).message);
+      });
+  }, [database]);
+
+  if (!monitoringSettings) return <Spin size="small" />;
+
+  const isAllFieldsValid = true; // All fields have defaults, so always valid
+
+  return (
+    <div>
+      <div className="mb-1 flex w-full items-center">
+        <div className="min-w-[200px]">Database resources monitoring</div>
+        <Switch
+          checked={monitoringSettings.isDbResourcesMonitoringEnabled}
+          onChange={(checked) => updateSettings({ isDbResourcesMonitoringEnabled: checked })}
+          size="small"
+        />
+        <Tooltip
+          className="cursor-pointer"
+          title="Monitor database-specific metrics like connections, locks, buffer cache hit ratio, and transaction statistics."
+        >
+          <InfoCircleOutlined className="ml-2" style={{ color: 'gray' }} />
+        </Tooltip>
+      </div>
+
+      <div className="mt-4 mb-1 flex w-full items-center">
+        <div className="min-w-[200px]">Monitoring interval</div>
+        <Select
+          value={monitoringSettings.monitoringIntervalSeconds}
+          onChange={(v) => updateSettings({ monitoringIntervalSeconds: v })}
+          size="small"
+          className="max-w-[200px] grow"
+          options={intervalOptions}
+        />
+        <Tooltip
+          className="cursor-pointer"
+          title="How often to collect monitoring metrics. Lower intervals provide more detailed data but use more resources."
+        >
+          <InfoCircleOutlined className="ml-2" style={{ color: 'gray' }} />
+        </Tooltip>
+      </div>
+
+      <div className="mt-5 flex">
+        <Button danger ghost className="mr-1" onClick={onCancel}>
+          Cancel
+        </Button>
+
+        <Button
+          type="primary"
+          className="mr-5 ml-auto"
+          onClick={saveSettings}
+          loading={isSaving}
+          disabled={!isUnsaved || !isAllFieldsValid}
+        >
+          Save
+        </Button>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/features/monitoring/settings/ui/ShowMonitoringSettingsComponent.tsx
+++ b/frontend/src/features/monitoring/settings/ui/ShowMonitoringSettingsComponent.tsx
@@ -0,0 +1,54 @@
+import { Switch } from 'antd';
+import { useEffect, useState } from 'react';
+
+import type { Database } from '../../../../entity/databases';
+import type { PostgresMonitoringSettings } from '../../../../entity/monitoring/settings';
+import { monitoringSettingsApi } from '../../../../entity/monitoring/settings';
+
+interface Props {
+  database: Database;
+}
+
+const intervalLabels = {
+  15: '15 seconds',
+  30: '30 seconds',
+  60: '1 minute',
+  120: '2 minutes',
+  300: '5 minutes',
+  600: '10 minutes',
+  900: '15 minutes',
+  1800: '30 minutes',
+  3600: '1 hour',
+};
+
+export const ShowMonitoringSettingsComponent = ({ database }: Props) => {
+  const [monitoringSettings, setMonitoringSettings] = useState<PostgresMonitoringSettings>();
+
+  useEffect(() => {
+    if (database.id) {
+      monitoringSettingsApi.getSettingsByDbID(database.id).then((res) => {
+        setMonitoringSettings(res);
+      });
+    }
+  }, [database]);
+
+  if (!monitoringSettings) return <div />;
+
+  return (
+    <div>
+      <div className="mb-1 flex w-full items-center">
+        <div className="min-w-[200px]">Database resources monitoring</div>
+        <Switch checked={monitoringSettings.isDbResourcesMonitoringEnabled} disabled size="small" />
+      </div>
+
+      <div className="mb-1 flex w-full items-center">
+        <div className="min-w-[200px]">Monitoring interval</div>
+        <div>
+          {intervalLabels[
+            monitoringSettings.monitoringIntervalSeconds as keyof typeof intervalLabels
+          ] || `${monitoringSettings.monitoringIntervalSeconds} seconds`}
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/package-lock.json
+++ b/package-lock.json
@@ -0,0 +1,470 @@
+{
+  "name": "postgresus",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "@types/recharts": "^1.8.29",
+        "recharts": "^3.2.0"
+      }
+    },
+    "node_modules/@reduxjs/toolkit": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@reduxjs/toolkit/-/toolkit-2.9.0.tgz",
+      "integrity": "sha512-fSfQlSRu9Z5yBkvsNhYF2rPS8cGXn/TZVrlwN1948QyZ8xMZ0JvP50S2acZNaf+o63u6aEeMjipFyksjIcWrog==",
+      "license": "MIT",
+      "dependencies": {
+        "@standard-schema/spec": "^1.0.0",
+        "@standard-schema/utils": "^0.3.0",
+        "immer": "^10.0.3",
+        "redux": "^5.0.1",
+        "redux-thunk": "^3.1.0",
+        "reselect": "^5.1.0"
+      },
+      "peerDependencies": {
+        "react": "^16.9.0 || ^17.0.0 || ^18 || ^19",
+        "react-redux": "^7.2.1 || ^8.1.3 || ^9.0.0"
+      },
+      "peerDependenciesMeta": {
+        "react": {
+          "optional": true
+        },
+        "react-redux": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@standard-schema/spec": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.0.0.tgz",
+      "integrity": "sha512-m2bOd0f2RT9k8QJx1JN85cZYyH1RqFBdlwtkSlf4tBDYLCiiZnv1fIIwacK6cqwXavOydf0NPToMQgpKq+dVlA==",
+      "license": "MIT"
+    },
+    "node_modules/@standard-schema/utils": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/utils/-/utils-0.3.0.tgz",
+      "integrity": "sha512-e7Mew686owMaPJVNNLs55PUvgz371nKgwsc4vxE49zsODpJEnxgxRo2y/OKrqueavXgZNMDVj3DdHFlaSAeU8g==",
+      "license": "MIT"
+    },
+    "node_modules/@types/d3-array": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/@types/d3-array/-/d3-array-3.2.2.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/@types/d3-color": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/@types/d3-ease": {
+      "version": "3.0.2",
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+      "license": "MIT"
+    },
+    "node_modules/@types/d3-interpolate": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@types/d3-interpolate/-/d3-interpolate-3.0.4.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/d3-color": "*"
+      }
+    },
+    "node_modules/@types/d3-path": {
+      "version": "1.0.11",
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+      "license": "MIT"
+    },
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+      "version": "4.0.9",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/d3-time": "*"
+      }
+    },
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+      "license": "MIT",
+      "dependencies": {
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+      }
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+    },
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+    },
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+}
--- a/package.json
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+  "dependencies": {
+    "@types/recharts": "^1.8.29",
+    "recharts": "^3.2.0"
+  }
+}
Author	SHA1	Message	Date
Rostislav Dugin	fcfe382a81	FIX (monitoring): Fix settings creation tests	2025-09-14 14:34:54 +03:00
Rostislav Dugin	7055b85c34	FEATURE (metrics): Add metrics for RAM & IO (first implementation)	2025-09-14 14:23:07 +03:00
				`@@ -0,0 +1 @@`
				`export { MetricsComponent } from './ui/MetricsComponent';`