You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-issues@hadoop.apache.org by "tomscut (Jira)" <ji...@apache.org> on 2021/03/02 03:18:00 UTC

[jira] [Updated] (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:
---------------------------
    Attachment: HDFS-15808-branch-3.3.001.patch

> 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: 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: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org