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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-12648) DN should provide feedback to NN for throttling commands
Date Thu, 12 Oct 2017 21:13:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hanisha Koneru reassigned HDFS-12648:
-------------------------------------

    Assignee: Hanisha Koneru

> DN should provide feedback to NN for throttling commands
> --------------------------------------------------------
>
>                 Key: HDFS-12648
>                 URL: https://issues.apache.org/jira/browse/HDFS-12648
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.8.0
>            Reporter: Daryn Sharp
>            Assignee: Hanisha Koneru
>
> The NN should avoid sending commands to a DN with a high number of outstanding commands.
 The heartbeat could provide this feedback via perhaps a simple count of the commands or rate
of processing.



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