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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:37:33 UTC

[jira] [Resolved] (SPARK-12942) Provide option to allow control the precision of numerical type for DataFrameWriter

     [ https://issues.apache.org/jira/browse/SPARK-12942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-12942.
----------------------------------
    Resolution: Incomplete

> Provide option to allow control the precision of numerical type for DataFrameWriter
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-12942
>                 URL: https://issues.apache.org/jira/browse/SPARK-12942
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Jeff Zhang
>            Priority: Major
>              Labels: bulk-closed
>
> This is useful for libsvm where most of features are double, and this can reduce the file size and gain some performance improvement when reading the libsvm file in training. 
> So it can be libsvm specific or global setting which apply to other data sources.   We can discuss it here.  \cc [~mengxr]



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