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Posted to dev@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2014/10/28 21:59:33 UTC

[jira] [Created] (FLINK-1198) Store broadcast variables once per TaskManager

Stephan Ewen created FLINK-1198:
-----------------------------------

             Summary: Store broadcast variables once per TaskManager
                 Key: FLINK-1198
                 URL: https://issues.apache.org/jira/browse/FLINK-1198
             Project: Flink
          Issue Type: Improvement
          Components: Local Runtime
    Affects Versions: 0.7-incubating
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 0.8-incubating


Currently, a copy of the broadcast variable is sent to each parallel task, rather than once to the TaskManager where the tasks share them.

Sharing the braodcast variables would increase memory efficiency significantly.



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