Re: what different between join and coGroup in flink

Posted by Fabian Hueske-2 on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/what-different-between-join-and-coGroup-in-flink-tp2682p2684.html

CoGroup is more generic than Join. You can perform a Join with CoGroup but not do a CoGroup with a Join.
However, Join can be executed more efficiently than CoGroup.

2015-09-03 22:28 GMT+02:00 hagersaleh <[hidden email]>:

what different between join and coGroup in flink




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