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https://issues.apache.org/jira/browse/TEZ-2269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14482473#comment-14482473
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Hadoop QA commented on TEZ-2269:
--------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12723522/TEZ-2269.altlock.txt
against master revision b87a36f.
{color:red}-1 @author{color}. The patch appears to contain @author tags
which the Tez community has agreed to not allow in code contributions.
{color:green}+1 tests included{color}. The patch appears to include new
or modified test files.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/402//console
This message is automatically generated.
> DAGAppMaster becomes unresponsive
> ---------------------------------
>
> Key: TEZ-2269
> URL: https://issues.apache.org/jira/browse/TEZ-2269
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Rajesh Balamohan
> Attachments: TEZ-2269.altlock.txt, TEZ-2269.altlock.txt,
> TEZ-2269.test.patch, app_master_application_1428021179455_0001_jstack.txt,
> client_jstack.txt
>
>
> Scenario:
> - Run TPCH query20 @ 1 TB scale
> - Tez master branch, Hive trunk
> - auto-reduce parallelism is not an issue (happens with/without auto-reduce
> parallelism)
> 1 or 2 times in 10 runs, DAGAppMaster would freeze unexpectedly. There is no
> pattern observed on which vertex it happens. But when this happens, only
> option is to kill the application. I will attach the jstack soon, but that
> doesn't seem to reveal much.
> Need to debug more; Creating this JIRA for tracking purposes.
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