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[OpenStack Infra <2080199@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/928759
Committed: https://opendev.org/openstack/neutron/commit/6970f39a49b83f279b9e0479f7637d03a123a40e
Submitter: "Zuul (22348)"
Branch:    master

commit 6970f39a49b83f279b9e0479f7637d03a123a40e
Author: elajkat <lajos.katona@xxxxxxxx>
Date:   Tue Sep 10 09:36:32 2024 +0200

    [CI] Functional: Increase Ulimit to 4096
    
    Functional tests started to fail with
    "Too many open files" randomly, the default ulimit in
    OS is configured to 1024, increasing this to 4096
    to avoid these random failures.
    
    Closes-Bug: #2080199
    Change-Id: Iff86599678ebdd5189d5b56d11f3373c9b138562


** Changed in: neutron
       Status: In Progress => Fix Released

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Title:
  Functional jobs failing with "Too many open files"

Status in neutron:
  Fix Released

Bug description:
  Neutron functional jobs started to fail with "Too many open files", example:
  https://14d65eceddbce78ddf51-8bfb5d70b83a273fa97d15d51d14f1ae.ssl.cf1.rackcdn.com/periodic/opendev.org/openstack/neutron/master/neutron-functional-with-pyroute2-master/82341c6/testr_results.html

  Opensearch query:
  https://opensearch.logs.openstack.org/_dashboards/app/data-explorer/discover/?security_tenant=global#?_a=(discover:(columns:!(build_name),interval:auto,sort:!()),metadata:(indexPattern:'94869730-aea8-11ec-9e6a-83741af3fdcd',view:discover))&_q=(filters:!(),query:(language:kuery,query:'%20message:%22Too%20many%20open%20files%22'))&_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:now-30d,to:now))

  As I see from the job-output.txt the ulimit number is set to 2024:
  2024-09-07 02:22:28.005219 | controller | +++ stackrc:source:935            : ULIMIT_NOFILE=2048

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