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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 Fri, 17 Mar 2017 22:28:41 GMT

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

Hanisha Koneru 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.
The NameNode can compare the stats from all the DataNodes together.  (was: HDFS-11461 introduces
slow disk detection in datanode. This information can be propagated to the NameNode so that
the NameNode gets all DataNodes disk information. 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.
The NameNode can compare the stats from all the DataNodes together.



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