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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:23:24 UTC
[jira] [Updated] (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 updated SPARK-12942:
---------------------------------
Labels: bulk-closed (was: )
> 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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