Lijia Liu created SPARK-24809:
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Summary: Serializing LongHashedRelation in executor may result in
data error
Key: SPARK-24809
URL: https://issues.apache.org/jira/browse/SPARK-24809
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.0, 2.2.0, 2.1.0, 2.0.0
Environment: Spark 2.2.1
hadoop 2.7.1
Reporter: Lijia Liu
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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