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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/07/07 22:14:04 UTC

[jira] [Commented] (SPARK-8400) ml.ALS doesn't handle -1 block size

    [ https://issues.apache.org/jira/browse/SPARK-8400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617292#comment-14617292 ] 

Xiangrui Meng commented on SPARK-8400:
--------------------------------------

[~bryanc] Are you still working on this issue?

> ml.ALS doesn't handle -1 block size
> -----------------------------------
>
>                 Key: SPARK-8400
>                 URL: https://issues.apache.org/jira/browse/SPARK-8400
>             Project: Spark
>          Issue Type: Bug
>          Components: ML
>    Affects Versions: 1.3.1
>            Reporter: Xiangrui Meng
>
> Under spark.mllib, if number blocks is set to -1, we set the block size automatically based on the input partition size. However, this behavior is not preserved in the spark.ml API. If user sets -1 in Spark 1.3, it will not work, but no error messages will show.



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