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Posted to commits@beam.apache.org by "Amit Sela (JIRA)" <ji...@apache.org> on 2016/10/03 20:26:20 UTC

[jira] [Updated] (BEAM-673) Data locality for Read.Bounded

     [ https://issues.apache.org/jira/browse/BEAM-673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amit Sela updated BEAM-673:
---------------------------
    Assignee:     (was: Amit Sela)

> Data locality for Read.Bounded
> ------------------------------
>
>                 Key: BEAM-673
>                 URL: https://issues.apache.org/jira/browse/BEAM-673
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>            Reporter: Amit Sela
>
> In some distributed filesystems, such as HDFS, we should be able to hint to Spark the preferred locations of splits.
> Here is an example of how Spark does that for Hadoop RDDs:
> https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/rdd/NewHadoopRDD.scala#L252
> *Note: in case of 1-to-1 mapping of Read operation (e.g. TextIO) direct translation should still be preferred, but this is pending HDFS support for Beam anyway.*



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