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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4901) JobHistoryEventHandler errors should be fatal
Date Wed, 26 Dec 2012 20:42:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13539681#comment-13539681
] 

Hadoop QA commented on MAPREDUCE-4901:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12562403/MR-4901-trunk.txt
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 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}.  The javadoc tool did not generate any 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
1.3.9) warnings.

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

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3174//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3174//console

This message is automatically generated.
                
> JobHistoryEventHandler errors should be fatal
> ---------------------------------------------
>
>                 Key: MAPREDUCE-4901
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4901
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 2.0.0-alpha
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: MR-4901-trunk.txt
>
>
> To be able to truly fix issues like MAPREDUCE-4819 and MAPREDUCE-4832, we need a 2 phase
commit where a subsequent AM can be sure that at a specific point in time it knows exactly
if any tasks/jobs are committing.  The job history log is already used for similar functionality
so we would like to reuse this, but we need to be sure that errors while writing out to the
job history log are now fatal.

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