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Posted to dev@twill.apache.org by "Terence Yim (JIRA)" <ji...@apache.org> on 2014/03/06 11:22:42 UTC

[jira] [Created] (TWILL-52) Keep application running even the AM is disconnected from ZK

Terence Yim created TWILL-52:
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             Summary: Keep application running even the AM is disconnected from ZK
                 Key: TWILL-52
                 URL: https://issues.apache.org/jira/browse/TWILL-52
             Project: Apache Twill
          Issue Type: Bug
          Components: yarn
    Affects Versions: 0.1.0-incubating
            Reporter: Terence Yim
            Assignee: Terence Yim
            Priority: Critical


Currently if the the ZK session of the AM is expired, the YarnTwillController treats the application stopped and requests YARN to stop the app, which is undesirable.

To make application resilience to ZK failure, the controller should resort to polling YARN for the application status until the AM reconnected with ZK. 



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