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https://issues.apache.org/jira/browse/TEZ-4139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17406479#comment-17406479
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Rajesh Balamohan commented on TEZ-4139:
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>> can these changes go into the same patch?
Sure, link both the tickets after the patch and it should be fine.
> Tez should consider node information for computing failure fraction
> -------------------------------------------------------------------
>
> Key: TEZ-4139
> URL: https://issues.apache.org/jira/browse/TEZ-4139
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: László Bodor
> Priority: Major
> Attachments: TEZ-4139.01.WIP.patch, TEZ-4139.02.WIP.patch
>
>
> When lots of downstream attempts fail to pull the information from source
> task, source task is marked as failed and it is retried. Currently failure
> fraction is handled by looking at unique task attempts from downstream.
> However, it should consider taking into account node information for
> computing "failureFraction".
> https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/TaskAttemptImpl.java#L1845-L1849
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