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FIX (mariadb): Disable wsrep replication during restore to fix "Maximum writeset size exceeded" on Galera Cluster

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This commit is contained in:
Rostislav Dugin
2026-04-02 08:46:48 +03:00
parent 27d891fb34
commit cefedb6ddd
1 changed files with 15 additions and 0 deletions
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15
backend/internal/features/restores/usecases/mariadb/restore_backup_uc.go
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@@ -70,6 +70,14 @@ func (uc *RestoreMariadbBackupUsecase) Execute(
"--verbose",
}
// Disable Galera Cluster replication for the restore session to prevent
// "Maximum writeset size exceeded" errors on large restores.
// wsrep_on is available in MariaDB 10.1+ (all builds with Galera support).
// On non-Galera instances the variable still exists but is a no-op.
if mdb.Version != tools.MariadbVersion55 {
args = append(args, "--init-command=SET SESSION wsrep_on=OFF")
}
if !config.GetEnv().IsCloud {
args = append(args, "--max-allowed-packet=1G")
}
@@ -379,6 +387,13 @@ func (uc *RestoreMariadbBackupUsecase) handleMariadbRestoreError(
)
}
if containsIgnoreCase(stderrStr, "writeset size exceeded") {
return fmt.Errorf(
"MariaDB Galera Cluster writeset size limit exceeded. Try increasing wsrep_max_ws_size on your cluster nodes. stderr: %s",
stderrStr,
)
}
return errors.New(errorMsg)
}