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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11545) Propagate DataNode's slow disks info to the NameNode via Heartbeat
Date Fri, 17 Mar 2017 22:44:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-11545:
---------------------------------
    Description: DataNode detects the outliers (slow disks) among all its disk. This information
can be propagated to the NameNode so that the NameNode gets disk information from all Datanodes.
 (was: DataNode detects the outliers (slow disks) among all its disk. This information can
be propagated to the NameNode so that the NameNode gets disk information from all Datanodes.
The NameNode can compare the stats from all the DataNodes together.)

> Propagate DataNode's slow disks info to the NameNode via Heartbeat
> ------------------------------------------------------------------
>
>                 Key: HDFS-11545
>                 URL: https://issues.apache.org/jira/browse/HDFS-11545
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>
> DataNode detects the outliers (slow disks) among all its disk. This information can be
propagated to the NameNode so that the NameNode gets disk information from all Datanodes.



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