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  1. Spark
  2. SPARK-9347

spark load of existing parquet files extremely slow if large number of files

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Duplicate
    • 1.3.1
    • None
    • SQL
    • None

    Description

      When spark sql shell is launched and we point it to a folder containing a large number of parquet files, the sqlContext.parquetFile() command takes a very long time to load the tables.

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          duplicates

          Sub-task - The sub-task of the issue SPARK-8125 Accelerate ParquetRelation2 metadata discovery

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved
          is duplicated by

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-8838 Add config to enable/disable merging part-files when merging parquet schema

          • Major - Major loss of function.
          • Resolved

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              Unassigned Unassigned
              samnor Samphel Norden
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              Dates

                Created:
                Updated:
                Resolved: