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https://issues.apache.org/jira/browse/TEZ-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053856#comment-15053856
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Bikas Saha commented on TEZ-808:
--------------------------------
Bringing this in would need to bring in TEZ-2952 and TEZ-2944
> Handle task attempts that are not making progress
> -------------------------------------------------
>
> Key: TEZ-808
> URL: https://issues.apache.org/jira/browse/TEZ-808
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Fix For: 0.8.2
>
> Attachments: TEZ-808.1.patch, TEZ-808.2.patch, TEZ-808.3.patch,
> TEZ-808.branch-0.7.patch
>
>
> If a task attempt is not making progress then it may cause the job to hang.
> We may want to kill and restart the attempt. With speculation support and
> free resources we may want to run another version in parallel.
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