Darrel Schneider created GEODE-9074:
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Summary: CacheClientProxyStatistics messageQueueSize does not
increase as events are added
Key: GEODE-9074
URL: https://issues.apache.org/jira/browse/GEODE-9074
Project: Geode
Issue Type: Bug
Components: client queues
Reporter: Darrel Schneider
Something I observed is that while a subscription queue was "full" the default
throttling caused geode to only add 10 events/sec to the queue. This makes
sense. But what didn't make sense was that the messageQueueSize did not change
by 10 events/sec even though, during this time, nothing was draining from the
queue. Then when the draining finally started (because the CacheClientUpdater
started running after a long register interest that had been blocking it) we
saw a huge spike in messageQueueSize when we should have seen gradual growth.
In addition to improving messageQueueSize it would also be nice to have a gage
stat that shows how many threads are currently trying to add to the queue. The
throttle logic can cause a large number of thread to be blocked.
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