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Posted to common-issues@hadoop.apache.org by "John Zhuge (JIRA)" <ji...@apache.org> on 2016/03/20 19:15:33 UTC

[jira] [Created] (HADOOP-12946) Ensure one JVMPauseMonitor thread per JVM

John Zhuge created HADOOP-12946:
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             Summary: Ensure one JVMPauseMonitor thread per JVM
                 Key: HADOOP-12946
                 URL: https://issues.apache.org/jira/browse/HADOOP-12946
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: John Zhuge
            Assignee: John Zhuge
            Priority: Minor


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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