[jira] [Created] (FLINK-4213) Provide CombineHint in Gelly algorithms

[Greg Hogan (JIRA)]

Greg Hogan created FLINK-4213:
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             Summary: Provide CombineHint in Gelly algorithms
                 Key: FLINK-4213
                 URL: https://issues.apache.org/jira/browse/FLINK-4213
             Project: Flink
          Issue Type: Improvement
          Components: Gelly
    Affects Versions: 1.1.0
            Reporter: Greg Hogan
            Assignee: Greg Hogan


Many graph algorithms will see better {{reduce}} performance with the 
hash-combine compared with the still default sort-combine, e.g. HITS and 
LocalClusteringCoefficient.



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