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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2019/11/13 03:02:00 UTC
[jira] [Commented] (SPARK-29868) Add a benchmark for Adaptive
Execution
[ https://issues.apache.org/jira/browse/SPARK-29868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16972967#comment-16972967 ]
Yuming Wang commented on SPARK-29868:
-------------------------------------
Examples: [https://github.com/apache/spark/tree/cdea520ff8954cf415fd98d034d9b674d6ca4f67/sql/core/src/test/scala/org/apache/spark/sql/execution/benchmark]
> Add a benchmark for Adaptive Execution
> --------------------------------------
>
> Key: SPARK-29868
> URL: https://issues.apache.org/jira/browse/SPARK-29868
> Project: Spark
> Issue Type: Test
> Components: SQL, Tests
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
> Attachments: BroadcastJoin.jpeg, SortMergeJoin.jpeg
>
>
> Add a benchmark for Adaptive Execution to evaluate SortMergeJoin to BroadcastJoin performance.
> It seem SortMergeJoin faster than BroadcastJoin if one side is a bucketed table and can convert to BroadcastJoin.
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