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Posted to dev@flink.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2015/10/08 15:57:27 UTC

[jira] [Created] (FLINK-2836) Cyclic Topologies not supported

Matthias J. Sax created FLINK-2836:
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             Summary: Cyclic Topologies not supported
                 Key: FLINK-2836
                 URL: https://issues.apache.org/jira/browse/FLINK-2836
             Project: Flink
          Issue Type: Improvement
          Components: Storm Compatibility
            Reporter: Matthias J. Sax


Currently, FlinkTopologyBuilder cannot handle cyclic topologies. In order to implement this feature correctly, FlinkTopologyBuilder must first *detect* cycles in the topology and assembly the Flink streaming program accordingly.

As Storm allows for arbitrary dataflow structure, multiple cycles would be allows. Not sure if Flink can handle those.



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