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https://issues.apache.org/jira/browse/HBASE-24962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194011#comment-17194011
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Duo Zhang commented on HBASE-24962:
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Do we have any number about the performance impact of synchronized? Is it the
bottleneck here?
> Optimize BufferNode Lock
> ------------------------
>
> Key: HBASE-24962
> URL: https://issues.apache.org/jira/browse/HBASE-24962
> Project: HBase
> Issue Type: Bug
> Components: MTTR
> Affects Versions: 3.0.0-alpha-1, 2.2.3
> Reporter: Bo Cui
> Assignee: Bo Cui
> Priority: Major
>
> [https://github.com/apache/hbase/blob/047e0618d290a09a4a269b00548fe17691e31787/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.java#L373]
> during startup, a large number of OpenRegionProcedures are generated, which
> are added to the BufferNode. However, the BufferNode has some "synchronized"
> methods, These methods may affect MTTR
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