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Posted to dev@apex.apache.org by "Thomas Weise (JIRA)" <ji...@apache.org> on 2016/04/10 04:41:25 UTC

[jira] [Created] (APEXCORE-426) Support work preserving restart

Thomas Weise created APEXCORE-426:
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             Summary: Support work preserving restart
                 Key: APEXCORE-426
                 URL: https://issues.apache.org/jira/browse/APEXCORE-426
             Project: Apache Apex Core
          Issue Type: Improvement
            Reporter: Thomas Weise


On app master failure, the streaming containers should continue running. 

As of 2.2, YARN will automatically terminate all containers and the replacement app master will relaunch them. Once we move to a newer minimum Hadoop version, we should leverage work preserving restart.

The mechanism in Apex containers to locate the new master process are already in place.
 



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