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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/11/08 17:43:00 UTC
[jira] [Commented] (SPARK-25981) Arrow optimization for conversion
from R DataFrame to Spark DataFrame
[ 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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