Bug 1943626 - ovs-vswitchd consumes 300% CPU after ovs to ovn migration
Summary: ovs-vswitchd consumes 300% CPU after ovs to ovn migration
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: python-networking-ovn
Version: 16.1 (Train)
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: z9
: 16.1 (Train on RHEL 8.2)
Assignee: Jakub Libosvar
QA Contact: Roman Safronov
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-03-26 16:41 UTC by Jakub Libosvar
Modified: 2022-12-07 20:25 UTC (History)
6 users (show)

Fixed In Version: python-networking-ovn-7.3.1-1.20220126223732.4e24f4c.el8ost
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-12-07 20:24:45 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
OpenStack gerrit 783386 0 None NEW ovn-migration: Delete FIP agent gateway ports 2021-03-26 16:50:01 UTC
Red Hat Issue Tracker OSP-1430 0 None None None 2021-11-18 14:16:37 UTC
Red Hat Product Errata RHBA-2022:8795 0 None None None 2022-12-07 20:25:37 UTC

Description Jakub Libosvar 2021-03-26 16:41:40 UTC 
Description of problem:
CPU is consumed because old interfaces are added and removed in a loop

2021-03-26T16:39:16.032Z|443860|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.049Z|443861|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.078Z|443862|bridge|INFO|bridge br-int: added interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.096Z|443863|bridge|INFO|bridge br-int: deleted interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.123Z|443864|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.140Z|443865|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.158Z|443866|bridge|INFO|bridge br-int: added interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.174Z|443867|bridge|INFO|bridge br-int: deleted interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.195Z|443868|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.212Z|443869|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7

We need to clean those unused interfaces out.

Version-Release number of selected component (if applicable):


How reproducible:


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Additional info:
Comment 13 errata-xmlrpc 2022-12-07 20:24:45 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat OpenStack Platform 16.1.9 bug fix and enhancement advisory), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:8795
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