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https://issues.apache.org/jira/browse/SPARK-35529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351577#comment-17351577
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Apache Spark commented on SPARK-35529:
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User 'c21' has created a pull request for this issue:
https://github.com/apache/spark/pull/32671
> Add fallback metrics for hash aggregate
> ---------------------------------------
>
> Key: SPARK-35529
> URL: https://issues.apache.org/jira/browse/SPARK-35529
> Project: Spark
> Issue Type: Documentation
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Cheng Su
> Priority: Trivial
>
> Add the metrics to record how many tasks fallback to sort-based aggregation
> for hash aggregation. This will help developers and users to debug and
> optimize query.
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