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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-25981) Arrow optimization for conversion from R DataFrame to Spark DataFrame
Date Thu, 08 Nov 2018 17:43:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-25981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680084#comment-16680084
] 

Apache Spark commented on SPARK-25981:
--------------------------------------

User 'HyukjinKwon' has created a pull request for this issue:
https://github.com/apache/spark/pull/22954

> Arrow optimization for conversion from R DataFrame to Spark DataFrame
> ---------------------------------------------------------------------
>
>                 Key: SPARK-25981
>                 URL: https://issues.apache.org/jira/browse/SPARK-25981
>             Project: Spark
>          Issue Type: Improvement
>          Components: SparkR
>    Affects Versions: 3.0.0
>            Reporter: Hyukjin Kwon
>            Priority: Major
>
> PySpark introduced an optimization for toPandas and createDataFrame with Pandas DataFrame.
> This was leveraged by PyArrow API.
> R Arrow API is under developement (https://github.com/apache/arrow/tree/master/r) and
about to be released via CRAN (https://issues.apache.org/jira/browse/ARROW-3204).
> Once it's released, we can reuse PySpark's Arrow optimization code path and leverage
it with minimised codes.



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