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https://issues.apache.org/jira/browse/SPARK-14467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15257005#comment-15257005
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Apache Spark commented on SPARK-14467:
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User 'sameeragarwal' has created a pull request for this issue:
https://github.com/apache/spark/pull/12667
> Add async io in FileScanRDD
> ---------------------------
>
> Key: SPARK-14467
> URL: https://issues.apache.org/jira/browse/SPARK-14467
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Nong Li
>
> Experiments running over parquet data in s3 shows poorly interleaving of CPU
> and IO. We should do more async IO in FileScanRDD to better use the machine
> resources.
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