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Posted to commits@samza.apache.org by "Boris Shkolnik (JIRA)" <ji...@apache.org> on 2017/02/23 20:07:44 UTC

[jira] [Created] (SAMZA-1103) Barrier for job model update

Boris Shkolnik created SAMZA-1103:
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             Summary: Barrier for job model update
                 Key: SAMZA-1103
                 URL: https://issues.apache.org/jira/browse/SAMZA-1103
             Project: Samza
          Issue Type: Sub-task
            Reporter: Boris Shkolnik
            Assignee: Boris Shkolnik


Create a ZK based Barrier for the processors, to switch to the newly generated JobModel. 
Barrier is created for a specific JobModel version.
When all the processors switch to the new version, they will update the barrier, and a notification will go out, so they may start using the new JobModel.



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