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https://issues.apache.org/jira/browse/HDFS-8008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391350#comment-14391350
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Chris Nauroth commented on HDFS-8008:
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+1 for patch v003 pending Jenkins. Thanks again, Haohui.
> 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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