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https://issues.apache.org/jira/browse/SPARK-32786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-32786.
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Fix Version/s: 3.1.0
Assignee: Zhenhua Wang
Resolution: Fixed
Resolved by [https://github.com/apache/spark/pull/29636]
> Improve performance for some slow DPP tests
> -------------------------------------------
>
> Key: SPARK-32786
> URL: https://issues.apache.org/jira/browse/SPARK-32786
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Zhenhua Wang
> Assignee: Zhenhua Wang
> Priority: Minor
> Fix For: 3.1.0
>
>
> The whole `DynamicPartitionPruningSuite` takes about 2 min on my laptop
> (either AE on or off). The slowest tests are `test("simple inner join
> triggers DPP with mock-up tables")` and `test("cleanup any DPP filter that
> isn't pushed down due to expression id clashes")`, which totally take about 1
> min.
> We can reuse existing test tables or use smaller tables to reduce the cost.
> After that, the two tests takes only about 1 sec in total, leading to 2x
> speedup for the suite.
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