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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-857) Graph Combiners is wrongly implemented
Date Tue, 21 Jan 2014 08:35:20 GMT
Edward J. Yoon created HAMA-857:
-----------------------------------

             Summary: Graph Combiners is wrongly implemented
                 Key: HAMA-857
                 URL: https://issues.apache.org/jira/browse/HAMA-857
             Project: Hama
          Issue Type: Bug
          Components: graph
    Affects Versions: 0.6.3
            Reporter: Edward J. Yoon
            Priority: Critical
             Fix For: 0.7.0


Current implementation combines the already received messages.

{code}
          if (combiner != null) {
            M combined = combiner.combine(iterable);
            vertex.compute(Collections.singleton(combined));
          } else {
            vertex.compute(iterable);
          }
{code}

Messages should be combined before sending to another vertex.



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