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Posted to dev@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2017/11/10 19:12:00 UTC

[jira] [Created] (HBASE-19238) Port Hadoop's new GcTimeMonitor

Andrew Purtell created HBASE-19238:
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             Summary: Port Hadoop's new GcTimeMonitor
                 Key: HBASE-19238
                 URL: https://issues.apache.org/jira/browse/HBASE-19238
             Project: HBase
          Issue Type: Improvement
            Reporter: Andrew Purtell
            Priority: Minor


We borrowed Hadoop's JvmPauseMonitor some time ago. On HADOOP-14960 (Add GC time percentage monitor/alerter), Hadoop added a new GcTimeMonitor, which seems useful:
{code}
/**
 * This class monitors the percentage of time the JVM is paused in GC within
 * the specified observation window, say 1 minute. The user can provide a
 * hook which will be called whenever this percentage exceeds the specified
 * threshold.
 */
{code}




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