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https://issues.apache.org/jira/browse/HBASE-14166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-14166:
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This looks like a bug that should be picked back to other active release
branches. However this is an interesting change that adds a background task for
cleaning the JMX cache and locks for said cleaning. I plan to pick it back in a
couple of days but won't if there are concerns or objections.
/cc [~ndimiduk] [~enis]
> Per-Region metrics can be stale
> -------------------------------
>
> Key: HBASE-14166
> URL: https://issues.apache.org/jira/browse/HBASE-14166
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.1.0.1
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.0.0, 1.2.0
>
> Attachments: HBASE-14166-v1.patch, HBASE-14166-v2.patch,
> HBASE-14166-v3.patch, HBASE-14166-v4.patch, HBASE-14166-v5.patch,
> HBASE-14166.patch
>
>
> We're seeing some machines that are reporting only old region metrics. It
> seems like at some point the Hadoop metrics system decided which metrics to
> display and which not to. From then on it was not changing.
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