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https://issues.apache.org/jira/browse/SPARK-19705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896026#comment-15896026
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gagan taneja commented on SPARK-19705:
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Herman,
Can you help me with this enhancement
thanks
> Preferred location supporting HDFS Cache for FileScanRDD
> --------------------------------------------------------
>
> Key: SPARK-19705
> URL: https://issues.apache.org/jira/browse/SPARK-19705
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: gagan taneja
>
> Although NewHadoopRDD and HadoopRdd considers HDFS cache while calculating
> preferredLocations, FileScanRDD do not take into account HDFS cache while
> calculating preferredLocations
> The enhancement can be easily implemented for large files where FilePartition
> only contains single HDFS file
> The enhancement will also result in significant performance improvement for
> cached hdfs partitions
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