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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4142) add a way for an attempt to report an attempt failure
Date Mon, 28 Sep 2015 13:59:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-4142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sunil G updated YARN-4142:
--------------------------
    Attachment: 0001-YARN-4142.patch

Uploading an initial version of patch.

Few points:
- Used a new configuration for "diagnostics message size"  to ensure that memory is in range
for diagnostics message per  attempt  level.
- Once size limit is reached, I have cleared the old buffer. This is done for simplicity for
now, if needed we can use a rolling buffer approach. 
- This new AM diagnostics message is updated to {{ApplicationAttemptReport}}



> 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
>            Assignee: Sunil G
>         Attachments: 0001-YARN-4142.patch
>
>
> 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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