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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/04/04 19:39:00 UTC
[jira] [Commented] (SPARK-34954) Use zstd codec name in ORC file
names
[ https://issues.apache.org/jira/browse/SPARK-34954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314608#comment-17314608 ]
Apache Spark commented on SPARK-34954:
--------------------------------------
User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/32051
> Use zstd codec name in ORC file names
> -------------------------------------
>
> Key: SPARK-34954
> URL: https://issues.apache.org/jira/browse/SPARK-34954
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Dongjoon Hyun
> Priority: Major
>
> Like the other ORC supported codecs, we had better have `zstd` in the Spark generated ORC file names.
> *SNAPPY*
> {code}
> scala> spark.range(10).repartition(1).write.option("compression", "snappy").orc("/tmp/snappy")
> $ ls -al /tmp/snappy
> total 24
> drwxr-xr-x 6 dongjoon wheel 192 Apr 4 12:17 .
> drwxrwxrwt 14 root wheel 448 Apr 4 12:17 ..
> -rw-r--r-- 1 dongjoon wheel 8 Apr 4 12:17 ._SUCCESS.crc
> -rw-r--r-- 1 dongjoon wheel 12 Apr 4 12:17 .part-00000-833bb7ad-d1e1-48cc-9719-07b2d594aa4c-c000.snappy.orc.crc
> -rw-r--r-- 1 dongjoon wheel 0 Apr 4 12:17 _SUCCESS
> -rw-r--r-- 1 dongjoon wheel 231 Apr 4 12:17 part-00000-833bb7ad-d1e1-48cc-9719-07b2d594aa4c-c000.snappy.orc
> {code}
> *ZSTD (AS-IS)*
> {code}
> scala> spark.range(10).repartition(1).write.option("compression", "zstd").orc("/tmp/zstd")
> $ ls -al /tmp/zstd
> total 24
> drwxr-xr-x 6 dongjoon wheel 192 Apr 4 12:17 .
> drwxrwxrwt 14 root wheel 448 Apr 4 12:17 ..
> -rw-r--r-- 1 dongjoon wheel 8 Apr 4 12:17 ._SUCCESS.crc
> -rw-r--r-- 1 dongjoon wheel 12 Apr 4 12:17 .part-00000-2f403ce9-7314-4db5-bca3-b1c1dd83335f-c000.orc.crc
> -rw-r--r-- 1 dongjoon wheel 0 Apr 4 12:17 _SUCCESS
> -rw-r--r-- 1 dongjoon wheel 231 Apr 4 12:17 part-00000-2f403ce9-7314-4db5-bca3-b1c1dd83335f-c000.orc
> {code}
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