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Posted to dev@hbase.apache.org by "Liuhe Tian (Jira)" <ji...@apache.org> on 2022/10/21 02:43:00 UTC

[jira] [Created] (HBASE-27440) metrics method removeHistogramMetrics trigger serious memory leak

Liuhe Tian created HBASE-27440:
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             Summary: 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


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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