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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2014/10/25 00:49:33 UTC

[jira] [Created] (SPARK-4087) Only use broadcast for large tasks

Davies Liu created SPARK-4087:
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             Summary: Only use broadcast for large tasks
                 Key: SPARK-4087
                 URL: https://issues.apache.org/jira/browse/SPARK-4087
             Project: Spark
          Issue Type: Improvement
            Reporter: Davies Liu
            Priority: Critical


After we broadcast every tasks, some regressions are introduced because of broadcast is not stable enough.

So we would like to only use broadcast for large tasks, which will keep the same behaviour as 1.0 for most of the cases. 



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