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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/12/27 04:43:00 UTC
[jira] [Assigned] (SPARK-22905) Fix ChiSqSelectorModel save
implementation
[ https://issues.apache.org/jira/browse/SPARK-22905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-22905:
------------------------------------
Assignee: (was: Apache Spark)
> Fix ChiSqSelectorModel save implementation
> ------------------------------------------
>
> Key: SPARK-22905
> URL: https://issues.apache.org/jira/browse/SPARK-22905
> Project: Spark
> Issue Type: Bug
> Components: ML, 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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