Description of problem: neutron-dhcp-agent memory usage steadily increases until it consumes all the memory on the controller. The controllers run at about 80G steady state so when we see this the memory consumed by neutron-dhcp-agent is approximately 256G-80G=176G. This issue has happened, and continues to happen, in a rolling manner across all 3 controller servers Version-Release number of selected component (if applicable): puppet-neutron-15.6.0-2.20210601015533.7f36270.el8ost.2.noarch Thu Sep 2 09:49:14 2021 python3-neutronclient-6.14.1-2.20210528065959.a09e824.el8ost.1.noarch Thu Sep 2 09:44:23 2021 How reproducible: Every few days Steps to Reproduce: 1. Wait a few days 2. Controllers go OOM 3. Reboot controller 4. Go back to step 1 Actual results: Controllers go OOM Expected results: Controllers not go OOM Additional info:
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 (Moderate: Red Hat OpenStack Platform 16.2 (openstack-tripleo-heat-templates) security update), 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/RHSA-2022:0995