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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/07/10 00:09:05 UTC

[jira] [Assigned] (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:all-tabpanel ]

Apache Spark reassigned SPARK-8400:
-----------------------------------

    Assignee: Apache Spark

> 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
>            Assignee: Apache Spark
>
> 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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