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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/07/15 05:12:00 UTC
[jira] [Resolved] (SPARK-28376) Support to write sorted parquet
files in each row group
[ https://issues.apache.org/jira/browse/SPARK-28376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-28376.
----------------------------------
Resolution: Incomplete
> Support to write sorted parquet files in each row group
> -------------------------------------------------------
>
> Key: SPARK-28376
> URL: https://issues.apache.org/jira/browse/SPARK-28376
> Project: Spark
> Issue Type: New Feature
> Components: Input/Output, Spark Core
> Affects Versions: 2.4.3
> Reporter: t oo
> Priority: Major
>
> this is for the ability to writeee parquet with sorteed values in each rowgroup
>
> see [https://stackoverflow.com/questions/52159938/cant-write-ordered-data-to-parquet-in-spark]
> [https://www.slideshare.net/RyanBlue3/parquet-performance-tuning-the-missing-guide] (slidee 26-27)
>
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