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https://issues.apache.org/jira/browse/HDFS-8008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-8008:
---------------------------------
    Issue Type: Improvement  (was: New Feature)

> Support client-side back off when the datanodes are congested
> -------------------------------------------------------------
>
>                 Key: HDFS-8008
>                 URL: https://issues.apache.org/jira/browse/HDFS-8008
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8008.000.patch, HDFS-8008.001.patch, 
> HDFS-8008.002.patch, HDFS-8008.003.patch
>
>
> HDFS-7270 introduces the mechanism for DataNode to signal congestions. 
> DFSClient should be able to recognize the signals and back off.



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