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https://issues.apache.org/jira/browse/HBASE-27380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17883005#comment-17883005
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Nick Dimiduk commented on HBASE-27380:
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Git grep tells me this metric was introduced on HBASE-17205 /
[b3d8d06703|https://github.com/apache/hbase/commit/b3d8d06703]. It was intended
to feed a histogram over rit durations. We lost it in the great merge of
HBASE-14614 / [3975bbd008|https://github.com/apache/hbase/commit/3975bbd008].
Let me see about re-introducing it.
> RitDuration histogram metric is broken
> --------------------------------------
>
> Key: HBASE-27380
> URL: https://issues.apache.org/jira/browse/HBASE-27380
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Priority: Minor
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.1, 2.5.11
>
>
> Looks like the method which updates it in MetricsAssignmentManager,
> updateRitDuration, got broken somewhere along the way. It's no longer used.
> We should wire this back up.
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MetricsAssignmentManager.java#L82
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