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https://issues.apache.org/jira/browse/SPARK-55568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55568:
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Labels: pull-request-available (was: )
> Separate schema construction from field statistics collection
> -------------------------------------------------------------
>
> Key: SPARK-55568
> URL: https://issues.apache.org/jira/browse/SPARK-55568
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.1.0, 4.1.1
> Reporter: Qiegang Long
> Priority: Major
> Labels: pull-request-available
>
> Variant shredding schema inference is expensive and can take well over 100ms
> per file. Propose an optimization to separate field stats collection and
> schema construction to eliminate repeated schema merge and intermediate
> allocations
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