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https://issues.apache.org/jira/browse/HBASE-17722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-17722:
-----------------------------------
Attachment: HBASE-17722.patch
Attaching what I committed, with [~jerryhe]'s suggested changes
> 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: 1.3.0, 1.2.4
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Trivial
> Fix For: 2.0.0, 1.4.0, 1.3.1, 1.2.5, 1.1.10
>
> Attachments: HBASE-17722.patch, HBASE-17722.patch
>
>
> 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. Unfortunately they are Hadoop classes so we can
> tweak log4j.properties defaults instead. We do this in test resources but not
> in what we ship in conf/ .
> {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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