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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4142) add a way for an attempt to report an attempt failure
Date Mon, 14 Sep 2015 16:42:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-4142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14743802#comment-14743802
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Sunil G commented on YARN-4142:
-------------------------------

Yes [~jlowe]. A limiting mechanism will be added for diagnostics. I will share a prototype.
"unregister cleanly from an attempt, and launch a new attempt" is also a useful one, its good
if we can track the same in separate ticket. will raise a ticket if its fine to go in that
direction also.

> add a way for an attempt to report an attempt failure
> -----------------------------------------------------
>
>                 Key: YARN-4142
>                 URL: https://issues.apache.org/jira/browse/YARN-4142
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>
> Currently AMs can report a failure with exit code and diagnostics text —but only when
exiting to a failed state. If the AM terminates for any other reason there's no information
held in the RM, just the logs somewhere —and we know they don't always last.
> When an application explicitly terminates an attempt, it would be nice if it could  optionally
report something to the RM before it exited. The most recent set of these could then be included
in Application Reports, so allowing client apps to count attempt failures and get exit details.



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