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  1. Spark
  2. SPARK-1379

Calling .cache() on a SchemaRDD should do something more efficient than caching the individual row objects.

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
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    • SQL
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    Description

      Since rows aren't black boxes we could use InMemoryColumnarTableScan. This would significantly reduce GC pressure on the workers.

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        is related to

        Bug - A problem which impairs or prevents the functions of the product. SPARK-3212 Improve the clarity of caching semantics

        • Blocker - Blocks development and/or testing work, production could not run
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            marmbrus Michael Armbrust
            marmbrus Michael Armbrust
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