Description of problem: This is a tracker for https://github.com/fluent/fluentd/issues/2153. A place to discuss any possible actions on the OpenShift side (changes to tagging, event streams, etc) or provide additional results beyond what is already in the issue Version-Release number of selected component (if applicable): OCP 4.0
Claimed fixed upstream in fluentd 1.7. See closing comment in https://github.com/fluent/fluentd/issues/2153
Verified on fluentd v4.2.0-201909162219. Logging 3000 1Kb messages/second across 20 namespaces on a fluentd - no message loss and IOPS averaged 65 read and 39 write over the course of the run vs the ~1000 write IOPS seen in the original issue.
Created attachment 1617016 [details] Decreased IOPS after new fluentd version used.
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, 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-2019:2922