[jira] [Created] (PIG-4858) Implement Skewed join for spark engine

[liyunzhang_intel (JIRA)]

liyunzhang_intel created PIG-4858:
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             Summary: Implement Skewed join for spark engine
                 Key: PIG-4858
                 URL: https://issues.apache.org/jira/browse/PIG-4858
             Project: Pig
          Issue Type: Sub-task
            Reporter: liyunzhang_intel


Now we use regular join to replace skewed join. Need implement it 



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