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From "DjvuLee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-19327) Improve the partition method when read data from jdbc
Date Sun, 22 Jan 2017 04:53:26 GMT
DjvuLee created SPARK-19327:
-------------------------------

             Summary: Improve the partition method when read data from jdbc
                 Key: SPARK-19327
                 URL: https://issues.apache.org/jira/browse/SPARK-19327
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: DjvuLee


The partition method in `jdbc` when specify the column using the equal step, this can lead
to skew between partitions. The new method introduce a balance partition method base on the
elements, this can avoid the skew problem.



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