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Posted to issues@tez.apache.org by "Rajesh Balamohan (Jira)" <ji...@apache.org> on 2021/01/26 05:46:00 UTC

[jira] [Commented] (TEZ-3985) Correctness: Throw a clear exception for DMEs sent during cleanup

    [ https://issues.apache.org/jira/browse/TEZ-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17271886#comment-17271886 ] 

Rajesh Balamohan commented on TEZ-3985:
---------------------------------------

0.4 patch would need a rebase. EventHandler is missing in the patch.

> Correctness: Throw a clear exception for DMEs sent during cleanup
> -----------------------------------------------------------------
>
>                 Key: TEZ-3985
>                 URL: https://issues.apache.org/jira/browse/TEZ-3985
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Gopal Vijayaraghavan
>            Assignee: Jaume M
>            Priority: Major
>         Attachments: TEZ-3985.1.patch, TEZ-3985.2.patch, TEZ-3985.3.patch, TEZ-3985.3.patch, TEZ-3985.4.patch
>
>
> If a DME is sent during cleanup, that implies that the .close() of the LogicalIOProcessorRuntimeTask did not succeed and therefore these events are an error condition.
> These events should not be sent and more importantly should be received by the AM.
> Throw a clear exception, in case of this & allow the developers to locate the extraneous event from the backtrace.



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