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Posted to hdfs-issues@hadoop.apache.org by "Liu Shaohui (JIRA)" <ji...@apache.org> on 2015/05/20 05:54:59 UTC

[jira] [Commented] (HDFS-8439) Adding more slow action log in critical read path

    [ https://issues.apache.org/jira/browse/HDFS-8439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551763#comment-14551763 ] 

Liu Shaohui commented on HDFS-8439:
-----------------------------------

Same work in write path

> 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
>
> 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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