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https://issues.apache.org/jira/browse/FLINK-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15273983#comment-15273983
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ASF GitHub Bot commented on FLINK-3772:
---------------------------------------

Github user greghogan commented on the pull request:

    https://github.com/apache/flink/pull/1901#issuecomment-217428888
  
    @vasia I had looked at one of the failed tests and it wasn't due to bad 
logic but rather to running out of some minimal number of memory buffers. This 
results, I expect, from updating the `Graph` API's degree functions to 
translate the output of the degree algorithms. I think it is best to leave the 
`Graph` API as-is for now.


> Graph algorithms for vertex and edge degree
> -------------------------------------------
>
>                 Key: FLINK-3772
>                 URL: https://issues.apache.org/jira/browse/FLINK-3772
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>             Fix For: 1.1.0
>
>
> Many graph algorithms require vertices or edges to be marked with the degree. 
> This ticket provides algorithms for annotating
> * vertex degree for undirected graphs
> * vertex out-, in-, and out- and in-degree for directed graphs
> * edge source, target, and source and target degree for undirected graphs



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