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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9510) FsVolume should add the operation of creating file's time metrics
Date Sat, 14 Jan 2017 03:46:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15822665#comment-15822665
] 

Yiqun Lin commented on HDFS-9510:
---------------------------------

Close this since HDFS-10959 has already implemented this.

> FsVolume should add the operation of creating file's time metrics
> -----------------------------------------------------------------
>
>                 Key: HDFS-9510
>                 URL: https://issues.apache.org/jira/browse/HDFS-9510
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: benchmarks, fs
>    Affects Versions: 2.7.1
>            Reporter: Yiqun Lin
>            Assignee: Yiqun Lin
>         Attachments: HDFS-9510.001.patch, HDFS-9510.002.patch, HDFS-9510.003.patch, HDFS-9510.004.patch,
HDFS-9510.005.patch
>
>
> For one datanode, this datanode may be have not only one data directorys. And each dataDir
has correspond to a FsVolums. And in some time, the one of these dataDirs being created files
or dirs slowly because of hardware problems. What's more, it will influence the whole node.
So we need to monitor these slow-writing disk.



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