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https://issues.apache.org/jira/browse/FLINK-3853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265737#comment-15265737
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ASF GitHub Bot commented on FLINK-3853:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/1951
> Reduce object creation in Gelly utility mappers
> -----------------------------------------------
>
> Key: FLINK-3853
> URL: https://issues.apache.org/jira/browse/FLINK-3853
> Project: Flink
> Issue Type: Improvement
> Components: Gelly
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Fix For: 1.1.0
>
>
> Gelly contains a set of {{MapFunction}} between {{Vertex}} and {{Tuple2}} and
> between {{Edge}} and {{Tuple3}}. A {{Vertex}} is a {{Tuple2}} and an {{Edge}}
> is a {{Tuple3}}, and conversion in the opposite direction can be performed
> with a single object per {{MapFunction}}.
> This only applies to the Gelly Java API. Scala tuples are not related to
> {{Vertex}} or {{Edge}}.
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