[jira] [Commented] (SPARK-9828) Should not share `{}` among instances

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

    [ https://issues.apache.org/jira/browse/SPARK-9828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14682254#comment-14682254 ] 

Apache Spark commented on SPARK-9828:
-------------------------------------

User 'MechCoder' has created a pull request for this issue:
https://github.com/apache/spark/pull/8110

> Should not share `{}` among instances
> -------------------------------------
>
>                 Key: SPARK-9828
>                 URL: https://issues.apache.org/jira/browse/SPARK-9828
>             Project: Spark
>          Issue Type: Bug
>          Components: ML, PySpark
>    Affects Versions: 1.4.1, 1.5.0
>            Reporter: Xiangrui Meng
>            Assignee: Manoj Kumar
>            Priority: Critical
>
> We use `{}` as the initial value in some places, e.g., https://github.com/apache/spark/blob/master/python/pyspark/ml/param/__init__.py#L64. This makes instances sharing the same param map.



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