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Posted to commits@samza.apache.org by "Navina Ramesh (JIRA)" <ji...@apache.org> on 2015/03/25 18:58:53 UTC

[jira] [Created] (SAMZA-617) Host affinity in Samza

Navina Ramesh created SAMZA-617:
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             Summary: Host affinity in Samza
                 Key: SAMZA-617
                 URL: https://issues.apache.org/jira/browse/SAMZA-617
             Project: Samza
          Issue Type: Bug
            Reporter: Navina Ramesh
            Assignee: Navina Ramesh


Today in Samza we do not guarantee that a container gets deployed on the same machine upon a job upgrade/restart. Hence, the co-located data needs to restored every time a container restarts. Restoring data each time can be expensive, especially for applications that have a large data set.

If we can enable restarting containers on the same machine, we can re-use available local state.



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