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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/11/22 21:06:12 UTC

[jira] [Commented] (SPARK-4548) Python broadcast is very slow

    [ https://issues.apache.org/jira/browse/SPARK-4548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14222154#comment-14222154 ] 

Apache Spark commented on SPARK-4548:
-------------------------------------

User 'davies' has created a pull request for this issue:
https://github.com/apache/spark/pull/3417

> Python broadcast is very slow
> -----------------------------
>
>                 Key: SPARK-4548
>                 URL: https://issues.apache.org/jira/browse/SPARK-4548
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 1.2.0
>            Reporter: Davies Liu
>
> Python broadcast in 1.2 is much slower than 1.1: 
> In spark-perf tests:
>       name                        1.1     1.2          speedup
> python-broadcast-w-set	3.63	16.68	-78.23%



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