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  1. Spark
  2. SPARK-24809

Serializing LongHashedRelation in executor may result in data error

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 2.0.0, 2.1.0, 2.2.0, 2.3.0
    • 2.1.4, 2.2.3, 2.3.2, 2.4.0
    • SQL
    • Spark 2.2.1

      hadoop 2.7.1

    Description

      When join key is long or int in broadcast join, Spark will use LongHashedRelation as the broadcast value. Details see SPARK-14419. But, if the broadcast value is abnormal big, executor will serialize it to disk. But, data will lost when serializing.

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            liutang123 Lijia Liu Assign to me
            liutang123 Lijia Liu
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              Updated:
              Resolved:

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