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ASF GitHub Bot commented on FLINK-1975: --------------------------------------- Github user fhueske commented on the pull request: https://github.com/apache/flink/pull/653#issuecomment-102320473 LGTM @vasia Any objections against merging this? > 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 > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)