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Konstantin Shvachko updated HDFS-15808: --------------------------------------- Status: Patch Available (was: Open) > Add metrics for FSNamesystem read/write lock hold long time > ----------------------------------------------------------- > > Key: HDFS-15808 > URL: https://issues.apache.org/jira/browse/HDFS-15808 > Project: Hadoop HDFS > Issue Type: Wish > Components: hdfs > Reporter: tomscut > Assignee: tomscut > Priority: Major > Labels: hdfs, lock, metrics, pull-request-available > Attachments: ExpiredHeartbeat.png, HDFS-15808-branch-3.3.001.patch, > lockLongHoldCount > > Time Spent: 6h 10m > Remaining Estimate: 0h > > To monitor how often read/write locks exceed thresholds, we can add two > metrics(ReadLockLongHoldCount/WriteLockLongHoldCount), which are exposed in > JMX. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org