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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/09/03 03:13:00 UTC
[jira] [Commented] (SPARK-36659) Promote
spark.sql.execution.topKSortFallbackThreshold to user-faced config
[ https://issues.apache.org/jira/browse/SPARK-36659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17409239#comment-17409239 ]
Apache Spark commented on SPARK-36659:
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User 'yaooqinn' has created a pull request for this issue:
https://github.com/apache/spark/pull/33904
> Promote spark.sql.execution.topKSortFallbackThreshold to user-faced config
> --------------------------------------------------------------------------
>
> Key: SPARK-36659
> URL: https://issues.apache.org/jira/browse/SPARK-36659
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0, 3.3.0
> Reporter: Kent Yao
> Priority: Minor
>
> spark.sql.execution.topKSortFallbackThreshold now is an internal config hidden from users Integer.MAX_VALUE - 15 as its default. In many real-world cases, if the K is very big, there would be performance issues.
>
>
>
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