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https://issues.apache.org/jira/browse/HADOOP-12946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HADOOP-12946:
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Resolution: Won't Fix
Status: Resolved (was: Patch Available)
Opt for HADOOP-12908.
> Ensure one JVMPauseMonitor thread per JVM
> -----------------------------------------
>
> Key: HADOOP-12946
> URL: https://issues.apache.org/jira/browse/HADOOP-12946
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.8.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Attachments: HADOOP-12946-001.patch, HADOOP-12946-002.patch
>
>
> Ensure at most one JVMPauseMonitor thread is running per JVM when there are
> multiple JVMPauseMonitor instances, e.g., in mini clusters. This will prevent
> redundant GC pause log messages while still maintaining one monitor thread
> running.
> This is a different way to fix HADOOP-12855.
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