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  1. Spark
  2. SPARK-3131

Allow user to set parquet compression codec for writing ParquetFile in SQLContext

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.1.0
    • Component/s: SQL
    • Labels:
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      Description

      There are 4 different compression codec available for ParquetOutputFormat

      in Spark SQL it was set as a hard-coded value in

      ParquetRelation.defaultCompression

      original discuss:
      https://github.com/apache/spark/pull/195#discussion-diff-11002083

      so we need to add a new config property in SQLConf to allow user to change this compression codec, and i used similar short names syntax as described in SPARK-2953

      btw, which codec should we use as default? it was set to GZIP (https://github.com/apache/spark/pull/195/files#diff-4), but i think maybe we should change this to SNAPPY, since SNAPPY is already the default codec for shuffling in spark-core (SPARK-2469), and parquet-mr supports Snappy codec natively.

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            • Assignee:
              Unassigned
              Reporter:
              chutium Teng Qiu
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                Updated:
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