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From "Brennon York (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-6510) Add Graph#minus method to act as Set#difference
Date Tue, 24 Mar 2015 18:42:52 GMT
Brennon York created SPARK-6510:
-----------------------------------

             Summary: Add Graph#minus method to act as Set#difference
                 Key: SPARK-6510
                 URL: https://issues.apache.org/jira/browse/SPARK-6510
             Project: Spark
          Issue Type: Improvement
            Reporter: Brennon York


Right now GraphX does not have a Set#difference method to operate on VertexIds. We do however
have a {{diff}} method although that works on values. Given the optimizations of tombstoning
already present this method can be implemented in a very efficient manner.



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