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Posted to commits@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/12/01 13:34:58 UTC

[jira] [Commented] (BEAM-918) Let users set STORAGE_LEVEL via SparkPipelineOptions.

    [ https://issues.apache.org/jira/browse/BEAM-918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15711985#comment-15711985 ] 

ASF GitHub Bot commented on BEAM-918:
-------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-beam/pull/1370


> Let users set STORAGE_LEVEL via SparkPipelineOptions.
> -----------------------------------------------------
>
>                 Key: BEAM-918
>                 URL: https://issues.apache.org/jira/browse/BEAM-918
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-spark
>            Reporter: Amit Sela
>            Assignee: Jean-Baptiste Onofré
>
> Spark provides different "STORAGE_LEVEL"s for caching RDDs (disk, memory, ser/de, etc.).
> The runner decides on caching when necessary, for example when a RDD is accessed repeatedly.
>  
> For batch, we can let users set their preferred STORAGE_LEVEL via SparkPipelineOptions.
> Note: for streaming we force a "MEMORY_ONLY", since (among other things) the runner heavily relies on stateful operations, and it's natural for streaming to happen in memory.



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