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https://issues.apache.org/jira/browse/TAJO-1251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14269494#comment-14269494
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ASF GitHub Bot commented on TAJO-1251:
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GitHub user jinossy opened a pull request:
https://github.com/apache/tajo/pull/339
TAJO-1251: Query is hanging occasionally by shuffle report.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinossy/tajo TAJO-1251
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/339.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #339
----
commit 2a0b095bb5a1f9b551a417028cc4ca3c06766501
Author: jhkim <[email protected]>
Date: 2015-01-08T16:04:39Z
TAJO-1251: Query is hanging occasionally by shuffle report.
commit 9a201d3d0ffaa36453ae665fe6855a33aeff1f46
Author: jhkim <[email protected]>
Date: 2015-01-08T16:12:02Z
TAJO-1251: Query is hanging occasionally by shuffle report.
----
> Query is hanging occasionally by shuffle report
> -----------------------------------------------
>
> Key: TAJO-1251
> URL: https://issues.apache.org/jira/browse/TAJO-1251
> Project: Tajo
> Issue Type: Bug
> Components: data shuffle, query master
> Affects Versions: 0.9.0
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Fix For: 0.10
>
>
> Currently, Query is failed when race condition occur in
> {{SubQuery.waitingIntermediateReport()}}. If a event is not complete, other
> events will be blocked in AsyncDispatcher.
> We should remove the thread lock in event handler.
> {noformat}
> 2014-12-12 14:05:28,211 INFO org.apache.tajo.master.querymaster.SubQuery:
> eb_1412172843714_0001_000003, receiveExecutionBlockReport:3
> 2014-12-12 14:05:28,227 ERROR org.apache.tajo.master.querymaster.SubQuery:
> eb_1412172843714_0001_000003, Timeout while receiving intermediate reports:
> 121471 ms
> {noformat}
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