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https://issues.apache.org/jira/browse/TEZ-714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14388528#comment-14388528
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Hadoop QA commented on TEZ-714:
-------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12708419/TEZ-714-7.patch
against master revision 3bfe003.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 4 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 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:green}+1 core tests{color}. The patch passed unit tests in .
Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/371//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/371//console
This message is automatically generated.
> OutputCommitters should not run in the main AM dispatcher thread
> ----------------------------------------------------------------
>
> Key: TEZ-714
> URL: https://issues.apache.org/jira/browse/TEZ-714
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Jeff Zhang
> Priority: Critical
> Attachments: DAG_2.pdf, TEZ-714-1.patch, TEZ-714-2.patch,
> TEZ-714-3.patch, TEZ-714-4.patch, TEZ-714-5.patch, TEZ-714-6.patch,
> TEZ-714-7.patch, Vertex_2.pdf
>
>
> Follow up jira from TEZ-41.
> 1) If there's multiple OutputCommitters on a Vertex, they can be run in
> parallel.
> 2) Running an OutputCommitter in the main thread blocks all other event
> handling, w.r.t the DAG, and causes the event queue to back up.
> 3) This should also cover shared commits that happen in the DAG.
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