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https://issues.apache.org/jira/browse/TEZ-1909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377544#comment-14377544
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Jeff Zhang commented on TEZ-1909:
---------------------------------

bq. It seems like the patch for this jira has been merged with fixes for a 
different jira? Can these be separated out?
Yes, I found one issue in RecoveryService when working on this jira.  I have 
created TEZ-2224 to separate it. And will upload new patch after TEZ-2224 is 
done, because the unit test depends on TEZ-2224

> Remove need to copy over all events from attempt 1 to attempt 2 dir
> -------------------------------------------------------------------
>
>                 Key: TEZ-1909
>                 URL: https://issues.apache.org/jira/browse/TEZ-1909
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Hitesh Shah
>            Assignee: Jeff Zhang
>         Attachments: TEZ-1909-1.patch, TEZ-1909-2.patch, TEZ-1909-3.patch
>
>
> Use of file versions should prevent the need for copying over data into a 
> second attempt dir. Care needs to be taken to handle "last corrupt record" 
> handling. 



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