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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8009) Signal congestion on the DataNode
Date Wed, 01 Apr 2015 01:41:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14389847#comment-14389847
] 

Hadoop QA commented on HDFS-8009:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12708538/HDFS-8009.000.patch
  against trunk revision e428fea.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The test build failed in hadoop-hdfs-project/hadoop-hdfs


Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/10133//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/10133//console

This message is automatically generated.

> Signal congestion on the DataNode
> ---------------------------------
>
>                 Key: HDFS-8009
>                 URL: https://issues.apache.org/jira/browse/HDFS-8009
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         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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