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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/03/23 07:35:25 UTC
[jira] [Assigned] (SPARK-14092) Performance regression when
aggregation on parquet scan
[ https://issues.apache.org/jira/browse/SPARK-14092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-14092:
------------------------------------
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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