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https://issues.apache.org/jira/browse/TEZ-1612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149962#comment-14149962
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Daniel Dai commented on TEZ-1612:
---------------------------------
Shall we port the patch to 0.5 branch? Pig 0.14 will use tez 0.5.
> ShuffleVertexManager's EdgeManager should not hard code source num tasks
> ------------------------------------------------------------------------
>
> Key: TEZ-1612
> URL: https://issues.apache.org/jira/browse/TEZ-1612
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.5.0
> Reporter: Daniel Dai
> Assignee: Bikas Saha
> Fix For: 0.6.0
>
> Attachments: DAG1.png, TEZ-1612.1.patch, runwithmaster.tar.gz,
> syslog_dag_1411413615885_0001_1, testfail1.log.tar.gz
>
>
> Several Pig unit tests hang intermittently. For example,
> TestNewPlanImplicitSplit.testImplicitSplitInCoGroup, which is a DAG of 4
> nodes:
> !DAG1.png!
> It uses auto-parallelism, vertex 106 change parallelism from 2->1, and vertex
> 107 from 21->1.
> Log attached.
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