cinder/slow-get-volume-stats-91b84c6e661dc605.yaml at 1101402b8fda7423b41b2f2e078f8f5a1d2bb4bd - cinder - OpenDev: Free Software Needs Free Tools

openstack/cinder

Eric Harney 6d85d05f78 Add warning message about slow volume backend

If a volume driver takes an excessively long amount
of time to return volume stats info, the only indication
if this is a generic "Function outlasted interval" message
that doesn't really explain what is going on.

Introduce a specific log message when this happens so
that this situation is more clear for someone looking
at cinder-volume logs.

The message is set to trigger if the driver takes more
than half of the stats polling interval to complete.

Change-Id: Id6b27eb7b90c8a8c91fb46de69aa94b8210da18d

2021-03-02 11:41:32 -05:00

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 features:
   - |
     Log a warning from the volume service when a volume driver's
     get_volume_stats() call takes a long time to return.  This can help
     deployers troubleshoot a cinder-volume service misbehaving due to a
     driver/backend performance issue.