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From "Kenneth Knowles (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-341) ReduceFnRunner allows GC time overflow
Date Tue, 14 Jun 2016 18:39:27 GMT
Kenneth Knowles created BEAM-341:
------------------------------------

             Summary: ReduceFnRunner allows GC time overflow
                 Key: BEAM-341
                 URL: https://issues.apache.org/jira/browse/BEAM-341
             Project: Beam
          Issue Type: Bug
          Components: runner-core
            Reporter: Kenneth Knowles
            Assignee: Kenneth Knowles


In {{ReduceFnRunner}}, any window ending after the global window has its GC time capped to
the end of the global window. But for windows ending before the global window the allowed
lateness can still be arbitrary, causing overflow.

http://stackoverflow.com/questions/37808159/why-am-i-getting-java-lang-illegalstateexception-on-google-dataflow



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