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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3699) Default RPC handlers are very low for YARN servers
Date Thu, 26 Jan 2012 21:13:41 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194183#comment-13194183
] 

Hadoop QA commented on MAPREDUCE-3699:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12512027/MR-3699.3.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1689//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1689//console

This message is automatically generated.
                
> Default RPC handlers are very low for YARN servers
> --------------------------------------------------
>
>                 Key: MAPREDUCE-3699
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3699
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Hitesh Shah
>             Fix For: 0.23.1
>
>         Attachments: MR-3699.1.patch, MR-3699.2.patch, MR-3699.3.patch
>
>
> Mainly NM has a default of 5, RM has 10 and AM also has 10 irrespective of num-slots,
num-nodes and num-tasks respectively. Though ideally we want to scale according to slots/nodes/tasks,
for now increasing the defaults should be enough.

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