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https://issues.apache.org/jira/browse/HBASE-27440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-27440.
-------------------------------
Fix Version/s: 2.6.0
3.0.0-alpha-4
2.5.2
2.4.16
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to branch-2.4+.
Thanks [~tianliuliu] for contributing!
> metrics method removeHistogramMetrics trigger serious memory leak
> -----------------------------------------------------------------
>
> Key: HBASE-27440
> URL: https://issues.apache.org/jira/browse/HBASE-27440
> Project: HBase
> Issue Type: Bug
> Components: metrics, regionserver
> Affects Versions: 2.4.15
> Reporter: Liuhe Tian
> Assignee: Liuhe Tian
> Priority: Major
> Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.2, 2.4.16
>
>
> the method removeHistogramMetrics will cause the metricsMap leak!
> because the put op in the map is the baseName but the remove is not , the
> origin code add the histogramSuffixe follow the baseName when remove.
> !https://user-images.githubusercontent.com/13758677/196915944-71197086-2d53-4a85-8b5e-0a61441e8f64.png!
> !https://user-images.githubusercontent.com/13758677/196916259-196e3e8a-cde0-4989-8b64-de13b860522d.png!
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