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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-8008) Support client-side back off when the datanodes are congested
Date Wed, 01 Apr 2015 22:45:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391651#comment-14391651
] 

Chris Nauroth edited comment on HDFS-8008 at 4/1/15 10:45 PM:
--------------------------------------------------------------

HDFS-7471 tracks the failure in {{TestDatanodeManager}} and HDFS-7576 tracks the failure in
{{TestPipelinesFailover}}.  These are unrelated to the current patch.


was (Author: cnauroth):
The test failure is unrelated and tracked separately in HDFS-7471.

> 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: New Feature
>          Components: hdfs-client
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         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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