[
https://issues.apache.org/jira/browse/HDFS-15808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17289072#comment-17289072
]
tomscut edited comment on HDFS-15808 at 3/1/21, 4:12 PM:
---------------------------------------------------------
Thanks [~zhuqi] [~shv] [~xkrogen] for review.
was (Author: tomscut):
Thanks [~zhuqi] [~shv] [~xkrogen] for review.
> 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, lockLongHoldCount
>
> Time Spent: 5h 50m
> 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: [email protected]
For additional commands, e-mail: [email protected]
