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https://issues.apache.org/jira/browse/HBASE-27758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-27758:
------------------------------
Fix Version/s: 2.4.18
(was: 2.4.17)
> Inconsistent synchronization in MetricsUserSourceImpl
> -----------------------------------------------------
>
> Key: HBASE-27758
> URL: https://issues.apache.org/jira/browse/HBASE-27758
> Project: HBase
> Issue Type: Improvement
> Reporter: Bryan Beaudreault
> Assignee: Bryan Beaudreault
> Priority: Major
> Labels: patch-available
> Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.4, 2.4.18
>
>
> Picked up by spotbugs:
>
> ||Code||Warning||
> |IS|Inconsistent synchronization of
> org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.appendHisto;
> locked 50% of time|
> | |[Bug type IS2_INCONSISTENT_SYNC (click for
> details)|https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5067/7/artifact/yetus-general-check/output/new-spotbugs-hbase-hadoop-compat.html#IS2_INCONSISTENT_SYNC]
> In class org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl
> Field org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.appendHisto
> Synchronized 50% of the time
> Unsynchronized access at MetricsUserSourceImpl.java:[line 253]
> Synchronized access at MetricsUserSourceImpl.java:[line 146]|
> |IS|Inconsistent synchronization of
> org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.getHisto; locked
> 50% of time|
> | |[Bug type IS2_INCONSISTENT_SYNC (click for
> details)|https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5067/7/artifact/yetus-general-check/output/new-spotbugs-hbase-hadoop-compat.html#IS2_INCONSISTENT_SYNC]
> In class org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl
> Field org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.getHisto
> Synchronized 50% of the time
> Unsynchronized access at MetricsUserSourceImpl.java:[line 241]
> Synchronized access at MetricsUserSourceImpl.java:[line 141]|
> |IS|Inconsistent synchronization of
> org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.incrementHisto;
> locked 50% of time|
> | |[Bug type IS2_INCONSISTENT_SYNC (click for
> details)|https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5067/7/artifact/yetus-general-check/output/new-spotbugs-hbase-hadoop-compat.html#IS2_INCONSISTENT_SYNC]
> In class org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl
> Field
> org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.incrementHisto
> Synchronized 50% of the time
> Unsynchronized access at MetricsUserSourceImpl.java:[line 247]
> Synchronized access at MetricsUserSourceImpl.java:[line 145]|
> |IS|Inconsistent synchronization of
> org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.scanTimeHisto;
> locked 50% of time|
> | |[Bug type IS2_INCONSISTENT_SYNC (click for
> details)|https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5067/7/artifact/yetus-general-check/output/new-spotbugs-hbase-hadoop-compat.html#IS2_INCONSISTENT_SYNC]
> In class org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl
> Field org.apache.hadoop.hbase.regionserver.MetricsUserSourceImpl.scanTimeHisto
> Synchronized 50% of the time
> Unsynchronized access at MetricsUserSourceImpl.java:[line 264]
> Synchronized access at MetricsUserSourceImpl.java:[line 142]|
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