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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14282) Remove metrics2
Date Fri, 21 Aug 2015 18:10:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707177#comment-14707177

Elliott Clark commented on HBASE-14282:

bq.Until we actually switch away it's the best implementation option since everything else
uses them, and they are how we plumb metrics to JMX.
For sure. It's served us alright for now and I fully intend to add more. Just as we get deeper
and deeper into using it the more it's showing the stress.

> Remove metrics2
> ---------------
>                 Key: HBASE-14282
>                 URL: https://issues.apache.org/jira/browse/HBASE-14282
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: Elliott Clark
>            Priority: Critical
>             Fix For: 2.0.0
> Metrics2 has a whole bunch of race conditions and weird edges because of all of the caching
that metrics2 does.
> Additionally tying something so integral to hadoop who has lots of versions we support
has been a maintenance nightmare. It would allow us to completely get rid of the compat modules.
> Rip it out.

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