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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-22905) Fix ChiSqSelectorModel save implementation
Date Thu, 28 Dec 2017 01:07:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-22905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joseph K. Bradley updated SPARK-22905:
--------------------------------------
    Component/s:     (was: ML)

> Fix ChiSqSelectorModel save implementation
> ------------------------------------------
>
>                 Key: SPARK-22905
>                 URL: https://issues.apache.org/jira/browse/SPARK-22905
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib
>    Affects Versions: 2.2.1
>            Reporter: Weichen Xu
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Currently, in `ChiSqSelectorModel`, save:
> {code}
> spark.createDataFrame(dataArray).repartition(1).write...
> {code}
> The default partition number used by createDataFrame is "defaultParallelism",
> Current RoundRobinPartitioning won't guarantee the "repartition" generating the same
order result with local array. We need fix it.



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