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https://issues.apache.org/jira/browse/SPARK-15724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15311507#comment-15311507
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Apache Spark commented on SPARK-15724:
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User 'ericl' has created a pull request for this issue:
https://github.com/apache/spark/pull/13456
> Add benchmarks for performance over wide schemas
> ------------------------------------------------
>
> Key: SPARK-15724
> URL: https://issues.apache.org/jira/browse/SPARK-15724
> Project: Spark
> Issue Type: Test
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Eric Liang
>
> There are some reported degradations in 2.0 when querying over very wide /
> deeply nested schemas; it would be nice to at least have microbenchmarks for
> tracking the performance of this.
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