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Posted to hdfs-issues@hadoop.apache.org by "tomscut (Jira)" <ji...@apache.org> on 2021/02/15 11:15:00 UTC
[jira] [Issue Comment Deleted] (HDFS-15808) Add metrics for
FSNamesystem read/write lock hold long time
[ https://issues.apache.org/jira/browse/HDFS-15808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
tomscut updated HDFS-15808:
---------------------------
Comment: was deleted
(was: Hi [~arp], could you please help review the code? Thank you.
https://github.com/apache/hadoop/pull/2668)
> 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
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> To monitor how often read/write locks exceed thresholds, we can add two metrics(ReadLockWarning/WriteLockWarning), which are exposed in JMX.
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