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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11722) Change Datanode file IO profiling sampling to percentage
Date Fri, 28 Apr 2017 23:44:04 GMT

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

Hanisha Koneru updated HDFS-11722:
----------------------------------
    Attachment: HDFS-11722.001.patch

> 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
>         Attachments: HDFS-11722.001.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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