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https://issues.apache.org/jira/browse/SPARK-14092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-14092:
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Assignee: (was: Apache Spark)
> Performance regression when aggregation on parquet scan
> -------------------------------------------------------
>
> Key: SPARK-14092
> URL: https://issues.apache.org/jira/browse/SPARK-14092
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Davies Liu
>
> SPARK-13404 introduce some performance regression when do simple aggregation
> (sum) on parquet scan (single integer column)
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