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https://issues.apache.org/jira/browse/SPARK-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-1368.
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Resolution: Fixed
> HiveTableScan is slow
> ---------------------
>
> Key: SPARK-1368
> URL: https://issues.apache.org/jira/browse/SPARK-1368
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Cheng Lian
> Fix For: 1.1.0
>
>
> The major issues here are the use of functional programming (.map, .foreach)
> and the creation of a new Row object for each output tuple. We should switch
> to while loops in the critical path and a single MutableRow per partition.
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