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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2016/04/04 17:33:25 UTC

[jira] [Created] (SPARK-14369) Implement preferredLocations() for FileScanRDD

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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