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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4026) Lower minimum-allocation-mb to sensible defaults
Date Fri, 20 Apr 2012 16:16:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258351#comment-13258351
] 

Hadoop QA commented on MAPREDUCE-4026:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12523508/MAPREDUCE-4026.patch
  against trunk revision .

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

    +1 tests included.  The patch appears to include 2 new or modified test files.

    +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 failed these unit tests:
                  org.apache.hadoop.yarn.server.TestContainerManagerSecurity
                  org.apache.hadoop.yarn.server.resourcemanager.security.TestApplicationTokens
                  org.apache.hadoop.yarn.server.resourcemanager.TestClientRMService
                  org.apache.hadoop.yarn.server.resourcemanager.resourcetracker.TestNMExpiry
                  org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization
                  org.apache.hadoop.yarn.server.resourcemanager.TestApplicationACLs
                  org.apache.hadoop.mapred.TestClientRedirect
                  org.apache.hadoop.mapreduce.security.TestJHSSecurity

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2264//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2264//console

This message is automatically generated.
                
> Lower minimum-allocation-mb to sensible defaults
> ------------------------------------------------
>
>                 Key: MAPREDUCE-4026
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4026
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, scheduler
>    Affects Versions: 2.0.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>         Attachments: MAPREDUCE-4026.patch, MAPREDUCE-4026.patch, MAPREDUCE-4026.patch,
MAPREDUCE-4026.patch
>
>
> The CapacityScheduler's minimum-allocation-mb is set to 1024.
> The FIFO's minimum-allocation-mb meanwhile, is 128.
> I propose changing the formers' minimum to that amount as well. 1024 is way too much
as a default, wastes "slots" on NMs - and I also do not see why CS has to deviate that settings
from the FIFO default.

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