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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11722) Change Datanode file IO profiling sampling to percentage
Date Wed, 03 May 2017 22:55:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-11722:
---------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha3
                   2.9.0
           Status: Resolved  (was: Patch Available)

I've committed this to trunk and branch-2 after verifying the test failures are unrelated.

Thanks for the contribution [~hanishakoneru].

> Change Datanode file IO profiling sampling to percentage
> --------------------------------------------------------
>
>                 Key: HDFS-11722
>                 URL: https://issues.apache.org/jira/browse/HDFS-11722
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: HDFS-11722.001.patch, HDFS-11722.002.patch
>
>
> Datanode disk IO profiling sampling is controlled by the setting _dfs.datanode.fileio.profiling.sampling.fraction_.
Instead of fraction, we can a percentage value to make it easier to set.



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