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https://issues.apache.org/jira/browse/TEZ-714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350254#comment-14350254
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Hadoop QA commented on TEZ-714:
-------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12703030/Vertex_2.pdf
against master revision 059b91b.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/261//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, 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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