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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11545) Propagate DataNode's slow disks info to the NameNode via Heartbeat
Date Sat, 18 Mar 2017 00:22:41 GMT

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

Hanisha Koneru updated HDFS-11545:
----------------------------------
    Attachment: HDFS-11545.001.patch

> 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
>         Attachments: HDFS-11545.001.patch
>
>
> 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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