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From "Stefano Parmesan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-6677) pyspark.sql nondeterministic issue with row fields
Date Wed, 08 Apr 2015 06:48:12 GMT

    [ https://issues.apache.org/jira/browse/SPARK-6677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14484835#comment-14484835
] 

Stefano Parmesan commented on SPARK-6677:
-----------------------------------------

An update: on a more complex script I'm using, the same issue arises even with spark-submit.

> pyspark.sql nondeterministic issue with row fields
> --------------------------------------------------
>
>                 Key: SPARK-6677
>                 URL: https://issues.apache.org/jira/browse/SPARK-6677
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 1.3.0
>         Environment: spark version: spark-1.3.0-bin-hadoop2.4
> python version: Python 2.7.6
> operating system: MacOS, x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Stefano Parmesan
>              Labels: pyspark, row, sql
>
> The following issue happens only when running pyspark in the python interpreter, it works
correctly with spark-submit.
> Reading two json files containing objects with a different structure leads sometimes
to the definition of wrong Rows, where the fields of a file are used for the other one.
> I was able to write a sample code that reproduce this issue one out of three times; the
code snippet is available at the following link, together with some (very simple) data samples:
> https://gist.github.com/armisael/e08bb4567d0a11efe2db



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