[jira] [Commented] (SPARK-2995) Allow to set storage level for intermediate RDDs in ALS

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-2995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094973#comment-14094973 ] 

Apache Spark commented on SPARK-2995:
-------------------------------------

User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/1913

> Allow to set storage level for intermediate RDDs in ALS
> -------------------------------------------------------
>
>                 Key: SPARK-2995
>                 URL: https://issues.apache.org/jira/browse/SPARK-2995
>             Project: Spark
>          Issue Type: New Feature
>          Components: MLlib
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> As mentioned in [SPARK-2465], using MEMORY_AND_DISK_SER together with spark.rdd.compress=true can help reduce the space requirement by a lot, at the cost of speed. It might be useful to add this option so people can run ALS on much bigger datasets.



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