slow response when selecting prefix list #539

New Issue

MrUnknownDE · 2026-04-05T16:41:16+02:00

MrUnknownDE commented

2026-04-05 16:41:16 +02:00

Originally created by @anders-sweden on 1/17/2026

NetBox Edition

NetBox Community

NetBox Version

4.5.0

Python Version

3.12

Steps to Reproduce

when selecting Prefix list global it take approx 10 seconds to show the list(422 items), when i have a smaller list(10 items) it takes approx 5 seconds, Before it was instant, as usual.

when checking the linux server the cpu rises to 50 % when im selecting the prefix list, all the other list works perfect.

Expected Behavior

it should take less the one second so get the list and always have. so i dont know what the issue is, check all the logs on the server without finding anything interesting

Observed Behavior

takes long time to load prefix list and only prefix lists, all the other loads normaly, ip addresses or vlans

*Originally created by @anders-sweden on 1/17/2026* ### NetBox Edition NetBox Community ### NetBox Version 4.5.0 ### Python Version 3.12 ### Steps to Reproduce when selecting Prefix list global it take approx 10 seconds to show the list(422 items), when i have a smaller list(10 items) it takes approx 5 seconds, Before it was instant, as usual. when checking the linux server the cpu rises to 50 % when im selecting the prefix list, all the other list works perfect. ### Expected Behavior it should take less the one second so get the list and always have. so i dont know what the issue is, check all the logs on the server without finding anything interesting ### Observed Behavior takes long time to load prefix list and only prefix lists, all the other loads normaly, ip addresses or vlans

MrUnknownDE closed this issue

2026-04-05 16:41:16 +02:00

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Branches Tags

main

21455-sql-indexes-audit

21357-register-model-actions

feature

20924-plugin-ui-components

21766-improve-test-coverage-for-sortable-table-columns

21157-export-template-public-models

21025-pre-render-config-contexts

21364-swagger

feature-ip-prefix-link

20911-dropdown-3

fix_module_substitution

21160-filterset

20911-dropdown-2

20044-elevation-stuck-lightmode

7604-filter-modifiers-v3

20660-script-load

19724-graphql

14884-script

19720-macaddress-interface-generic-relation

fix-19669-api-image-download

7604-filter-modifiers

19275-fixes-interface-bulk-edit

fix-17794-get_field_value_return_list

11507-show-aggregate-and-rir-on-api

9583-add_column_specific_search_field_to_tables

No Label netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox netbox status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate status: duplicate type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug type: bug

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Reference: github/netbox#539