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From "Wang, Xinglong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8439) Adding more slow action log in critical read path
Date Mon, 11 Sep 2017 03:16:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160603#comment-16160603
] 

Wang, Xinglong commented on HDFS-8439:
--------------------------------------

This is very interesting feature for hbase, do we have plan to patch this?

> Adding more slow action log in critical read path
> -------------------------------------------------
>
>                 Key: HDFS-8439
>                 URL: https://issues.apache.org/jira/browse/HDFS-8439
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>         Attachments: HDFS-8439.001.patch, HDFS-8439.002.patch, HDFS-8439.003.patch
>
>
> To dig a HBase read spike issue, we'd better to add more slow pread/seek log in read
flow to get the abnormal datanodes.
> Patch will be uploaded soon.



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