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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8009) Signal congestion on the DataNode
Date Thu, 02 Apr 2015 13:29:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392535#comment-14392535
] 

Hudson commented on HDFS-8009:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #885 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/885/])
HDFS-8009. Signal congestion on the DataNode. Contributed by Haohui Mai. (wheat9: rev 53471d462c987e67ad73b974646a5560a4b5d424)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
Add the missing files for HDFS-8009. (wheat9: rev 796fb268710aef8445dc97a04464a0579062f6f5)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeECN.java


> Signal congestion on the DataNode
> ---------------------------------
>
>                 Key: HDFS-8009
>                 URL: https://issues.apache.org/jira/browse/HDFS-8009
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8009.000.patch
>
>
> The DataNode should signal congestion (i.e. "I'm too busy") in the PipelineAck using
the mechanism introduced in HDFS-7270.



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