Stephan Ewen created FLINK-1110:
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             Summary: Add a serial collection-based execution mode
                 Key: FLINK-1110
                 URL: https://issues.apache.org/jira/browse/FLINK-1110
             Project: Flink
          Issue Type: Improvement
            Reporter: Stephan Ewen
            Priority: Minor


Summary of mailing list thread that the issue is based upon

Since Flink is a layered system, programs written against the APIs can be 
executed in a variety of ways. In this case, we just run the functions 
single-threaded directly on the Java collections, instead of firing up a memory 
management, IPC, parallel workers, data movement, etc. That gives programs a 
minimal execution footprint (like in the Java8 streams API) for small data. The 
idea is to enable users to use the same program in all sorts of different 
contexts.

The collection execution should sit below the common API, so both Java and 
Scala API can use it.



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