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  1. Spark
  2. SPARK-11787

Speed up parquet reader for flat schemas

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    Details

    • Type: Task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.6.0
    • Component/s: SQL
    • Labels:
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      Description

      Measuring the performance of running some of the TPCDS and anecdotally, parquet scan and record reconstruction performance is a bottleneck.

      For simple schemas, we can do better using the lower level parquet-mr APIs.

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            • Assignee:
              nongli Nong Li
              Reporter:
              nongli Nong Li
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