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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/03/03 13:57:00 UTC
[jira] [Commented] (SPARK-30565) Regression in the ORC benchmark
[ https://issues.apache.org/jira/browse/SPARK-30565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17050232#comment-17050232 ]
Wenchen Fan commented on SPARK-30565:
-------------------------------------
I'm not sure the benchmark numbers recorded in the text are reliable. Can we run the benchmark again twice with 3.0 and 2.4?
> Regression in the ORC benchmark
> -------------------------------
>
> Key: SPARK-30565
> URL: https://issues.apache.org/jira/browse/SPARK-30565
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Maxim Gekk
> Priority: Major
>
> New benchmark results generated in the PR [https://github.com/apache/spark/pull/27078] show regression ~3 times.
> Before:
> {code}
> Hive built-in ORC 520 531 8 2.0 495.8 0.6X
> {code}
> https://github.com/apache/spark/pull/27078/files#diff-42fe5f1ef10d8f9f274fc89b2c8d140dL138
> After:
> {code}
> Hive built-in ORC 1761 1792 43 0.6 1679.3 0.1X
> {code}
> https://github.com/apache/spark/pull/27078/files#diff-42fe5f1ef10d8f9f274fc89b2c8d140dR138
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