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  1. Spark
  2. SPARK-19092

Save() API of DataFrameWriter should not scan all the saved files

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.1.0
    • 2.1.1, 2.2.0
    • SQL
    • None

    Description

      `DataFrameWriter`'s save() API is performing a unnecessary full filesystem scan for the saved files. The save() API is the most basic/core API in `DataFrameWriter`. We should avoid these unnecessary file scan.

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            smilegator Xiao Li
            smilegator Xiao Li
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              Resolved:

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