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From "Amit Sela (JIRA)" <>
Subject [jira] [Created] (BEAM-918) Let users set STORAGE_LEVEL via SparkPipelineOptions.
Date Sat, 05 Nov 2016 08:51:58 GMT
Amit Sela created BEAM-918:

             Summary: Let users set STORAGE_LEVEL via SparkPipelineOptions.
                 Key: BEAM-918
             Project: Beam
          Issue Type: Improvement
          Components: runner-spark
            Reporter: Amit Sela
            Assignee: Amit Sela

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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