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From "Gyula Fora (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1425) Turn lazy operator execution off for streaming programs
Date Wed, 21 Jan 2015 09:05:34 GMT
Gyula Fora created FLINK-1425:
---------------------------------

             Summary: Turn lazy operator execution off for streaming programs
                 Key: FLINK-1425
                 URL: https://issues.apache.org/jira/browse/FLINK-1425
             Project: Flink
          Issue Type: Task
          Components: Streaming
    Affects Versions: 0.9
            Reporter: Gyula Fora


Streaming programs currently use the same lazy operator execution model as batch programs.
This makes the functionality of some operators like time based windowing very awkward, since
they start computing windows based on the start of the operator.

Also, one should expect for streaming programs to run continuously so there is not much to
gain from lazy execution.



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