Cheng Lian commented on SPARK-9783:

Yes, I'm closing this. Thanks!

> Use SqlNewHadoopRDD in JSONRelation to eliminate extra refresh() call
> ---------------------------------------------------------------------
>                 Key: SPARK-9783
>                 URL: https://issues.apache.org/jira/browse/SPARK-9783
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Cheng Lian
>            Assignee: Cheng Lian
> PR #8035 made a quick fix for SPARK-9743 by introducing an extra 
> {{refresh()}} call in {{JSONRelation.buildScan}}. Obviously it hurts 
> performance. To overcome this, we can use {{SqlNewHadoopRDD}} there and 
> override {{listStatus()}} to inject cached {{FileStatus}} instances, similar 
> as what we did in {{ParquetRelation}}.

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