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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/08/11 19:13:45 UTC

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

Xiangrui Meng created SPARK-9828:
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             Summary: 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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