Bryan Beaudreault created HBASE-26807:
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Summary: Unify CallQueueTooBigException special pause with
CallDroppedException
Key: HBASE-26807
URL: https://issues.apache.org/jira/browse/HBASE-26807
Project: HBase
Issue Type: Improvement
Reporter: Bryan Beaudreault
CallQueueTooBigException and CallDroppedException crop up in very similar
circumstances – the former is thrown if the request cannot be enqueued because
the queue is full; the latter is thrown when a call is dropped from the queue
to make room for another call.
HBASE-17114 added a special pause feature, which allows pausing for a longer
period of time when CallQueueTooBigException is encountered, vs the normal
pause for other exceptions. The idea here is to help reduce load so the server
can process its queue. We should extend this feature to encompass
CallDroppedException for the same reason.
Currently the config is called "hbase.client.pause.cqtbe". We should probably
deprecate that in favor of a more generic name.
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