[jira] [Created] (HBASE-17722) Metrics subsystem stop/start messages add a lot of useless bulk to operational logging

["Andrew Purtell (JIRA)" <ji...@apache.org>]

Andrew Purtell created HBASE-17722:
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             Summary: Metrics subsystem stop/start messages add a lot of useless bulk to operational logging
                 Key: HBASE-17722
                 URL: https://issues.apache.org/jira/browse/HBASE-17722
             Project: HBase
          Issue Type: Bug
          Components: metrics
    Affects Versions: 1.2.4, 1.3.0
            Reporter: Andrew Purtell


Metrics subsystem stop/start messages add a lot of useless bulk to operational logging. Say you are collecting logs from a fleet of thousands of servers and want to have them around for ~month or longer. It adds up. 

I think these should at least be at DEBUG level and ideally at TRACE. They don't offer much utility.

{noformat}
<time> INFO  [<thread>] impl.MetricsSystemImpl: HBase metrics system started

<time> INFO  [<thread>] impl.MetricsSystemImpl: Stopping HBase metrics system...

<time> INFO  [<thread>] impl.MetricsSystemImpl: HBase metrics system stopped.

<time> INFO  [<thread>] impl.MetricsConfig: loaded properties from hadoop-metrics2-hbase.properties

<time> INFO  [<thread>] impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
{noformat}




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