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https://issues.apache.org/jira/browse/TEZ-3317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497011#comment-15497011
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Kuhu Shukla commented on TEZ-3317:
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Thanks [~sseth] for the review/comments. I have opened TEZ-3437 and will put up 
a patch at the earliest to address the above comments.

> Speculative execution starts too early due to 0 progress
> --------------------------------------------------------
>
>                 Key: TEZ-3317
>                 URL: https://issues.apache.org/jira/browse/TEZ-3317
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Jonathan Eagles
>            Assignee: Kuhu Shukla
>             Fix For: 0.9.0
>
>         Attachments: TEZ-3317.001.patch, TEZ-3317.002.patch, 
> TEZ-3317.003.patch, TEZ-3317.004.patch, TEZ-3317.005.patch, 
> TEZ-3317.006.patch, TEZ-3317.007.patch, TEZ-3317.008.patch, 
> TEZ-3317.009.patch, TEZ-3317.010.patch
>
>
> Don't know at this point if this is a tez or a PigProcessor issue. There is 
> some setProgress chain that is keeping task progress from being correctly 
> reported. Task status is always zero, so as soon as the first task finishes, 
> tasks up to the speculation limit are always launched.



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