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Posted to issues@spark.apache.org by "Dong Jiang (JIRA)" <ji...@apache.org> on 2017/11/13 23:57:00 UTC
[jira] [Comment Edited] (SPARK-13127) Upgrade Parquet to 1.9 (Fixes
parquet sorting)
[ https://issues.apache.org/jira/browse/SPARK-13127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250512#comment-16250512 ]
Dong Jiang edited comment on SPARK-13127 at 11/13/17 11:56 PM:
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[~igozali], I think you are referring to this parquet ticket: https://issues.apache.org/jira/browse/PARQUET-686
The parquet ticket indicated the fix is in 1.9.0, so we still need Spark to upgrade parquet to 1.9.0
I have examined the parquet file generated by Spark 2.2, the string column doesn't have the min/max generated in the footer. I believe it is disabled.
Do we have any progress on this issue? Will it be included in Spark 2.3?
was (Author: djiangxu):
[~igozali], I think you are referring to this parquet ticket: https://issues.apache.org/jira/browse/PARQUET-686
The parquet ticket indicated the fix is in 1.9.0, so we still need Spark to upgrade parquet to 1.9.0
I have examined the parquet file generated by Spark 2.2, the string column doesn't have the min/max generated in the footer. I believe it is disabled.
> Upgrade Parquet to 1.9 (Fixes parquet sorting)
> ----------------------------------------------
>
> Key: SPARK-13127
> URL: https://issues.apache.org/jira/browse/SPARK-13127
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0, 2.0.1
> Reporter: Justin Pihony
>
> Currently, when you write a sorted DataFrame to Parquet, then reading the data back out is not sorted by default. [This is due to a bug in Parquet|https://issues.apache.org/jira/browse/PARQUET-241] that was fixed in 1.9.
> There is a workaround to read the file back in using a file glob (filepath/*).
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