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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12268) Ozone: Add metrics for pending storage container requests
Date Fri, 08 Sep 2017 09:55:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158403#comment-16158403
] 

Yiqun Lin commented on HDFS-12268:
----------------------------------

Attach the new patch. The metric instance creation logic seems not right. Make a minor change.

> Ozone: Add metrics for pending storage container requests
> ---------------------------------------------------------
>
>                 Key: HDFS-12268
>                 URL: https://issues.apache.org/jira/browse/HDFS-12268
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>              Labels: ozoneMerge
>         Attachments: HDFS-12268-HDFS-7240.001.patch, HDFS-12268-HDFS-7240.002.patch,
HDFS-12268-HDFS-7240.003.patch, HDFS-12268-HDFS-7240.004.patch, HDFS-12268-HDFS-7240.005.patch
>
>
>  As storage container async interface has been supported after HDFS-11580, we need to
keep an eye on the queue depth of pending container requests. It can help us better found
if there are some performance problems.



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