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https://issues.apache.org/jira/browse/SPARK-38573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun reassigned SPARK-38573:
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Assignee: Kazuyuki Tanimura
> Support Auto Partition Statistics Collection
> --------------------------------------------
>
> Key: SPARK-38573
> URL: https://issues.apache.org/jira/browse/SPARK-38573
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Kazuyuki Tanimura
> Assignee: Kazuyuki Tanimura
> Priority: Major
>
> Currently https://issues.apache.org/jira/browse/SPARK-21127 supports storing
> the aggregated stats at table level for partitioned tables with config
> spark.sql.statistics.size.autoUpdate.enabled.
> Supporting partition level stats are useful to know which partitions are
> outliers (skewed partition) and query optimizer works better with partition
> level stats in case of partition pruning.
>
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