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https://issues.apache.org/jira/browse/FLINK-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fabian Hueske resolved FLINK-1975.
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Resolution: Fixed
Fix Version/s: 0.9
Fixed with beb7f31227766cfa17691525ccc666d105d442da
> Graph getUndirected improvement
> --------------------------------
>
> Key: FLINK-1975
> URL: https://issues.apache.org/jira/browse/FLINK-1975
> Project: Flink
> Issue Type: Improvement
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Andra Lungu
> Assignee: Andra Lungu
> Priority: Minor
> Labels: easyfix
> Fix For: 0.9
>
>
> The current getUndirected method uses a union and a map to add the reverse
> edges to the graph. This could be done by simply using a flatMap that adds
> the edge and its reversed version - a flatMap is less expensive than a union
> followed by a map.
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