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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/11/14 09:45:34 UTC

[jira] [Commented] (SPARK-4398) Specialize rdd.parallelize for xrange

    [ https://issues.apache.org/jira/browse/SPARK-4398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212014#comment-14212014 ] 

Apache Spark commented on SPARK-4398:
-------------------------------------

User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/3264

> Specialize rdd.parallelize for xrange
> -------------------------------------
>
>                 Key: SPARK-4398
>                 URL: https://issues.apache.org/jira/browse/SPARK-4398
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> sc.parallelize(range) is slow, which writes to disk. We should specialize xrange for performance.



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