Cheng Lian created SPARK-14369:
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Summary: Implement preferredLocations() for FileScanRDD
Key: SPARK-14369
URL: https://issues.apache.org/jira/browse/SPARK-14369
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 2.0.0
Reporter: Cheng Lian
Assignee: Cheng Lian
Implement {{FileScanRDD.preferredLocations()}} to add locality support for
{{HadoopFsRelation}} based data sources.
We should avoid extra block location related RPC costs for S3, which doesn't
provide valid locality information.
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