Andrew Purtell created HBASE-6105:
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Summary: Sweep all INFO level logging and aggressively drop to
DEBUG, and from DEBUG to TRACE
Key: HBASE-6105
URL: https://issues.apache.org/jira/browse/HBASE-6105
Project: HBase
Issue Type: Task
Affects Versions: 0.96.0
Reporter: Andrew Purtell
Speaking with Arjen from Facebook ops at HBaseCon, I asked if given one single
request for improving HBase operability, what would that be. The answer was to
be less verbose at INFO log level. For example, with many regions opening,
anomalous events can be difficult to pick out among the 5-6 INFO level messages
per region deployment. Where multiple INFO level messages are printed in close
succession, we should consider coalescing them. For all INFO level messages, we
should be aggressive about demoting them to DEBUG level. And, since we are now
increasing the verbosity at DEBUG level, the same considerations should be
applied there, with coalescing and demotion of really detailed/low level
logging to TRACE.
Consider making this a blocker.
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