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https://issues.apache.org/jira/browse/SPARK-11787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014436#comment-15014436
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Apache Spark commented on SPARK-11787:
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User 'nongli' has created a pull request for this issue:
https://github.com/apache/spark/pull/9845
> Speed up parquet reader for flat schemas
> ----------------------------------------
>
> Key: SPARK-11787
> URL: https://issues.apache.org/jira/browse/SPARK-11787
> Project: Spark
> Issue Type: Task
> Components: SQL
> Reporter: Nong Li
> Assignee: Nong Li
> Fix For: 1.6.0
>
>
> Measuring the performance of running some of the TPCDS and anecdotally,
> parquet scan and record reconstruction performance is a bottleneck.
> For simple schemas, we can do better using the lower level parquet-mr APIs.
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