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Posted to dev@apex.apache.org by "Vlad Rozov (JIRA)" <ji...@apache.org> on 2016/08/17 21:45:20 UTC

[jira] [Created] (APEXCORE-510) Enforce DefaultOutputPort.emit() or Sink.put() thread affinity

Vlad Rozov created APEXCORE-510:
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             Summary: Enforce DefaultOutputPort.emit() or Sink.put() thread affinity
                 Key: APEXCORE-510
                 URL: https://issues.apache.org/jira/browse/APEXCORE-510
             Project: Apache Apex Core
          Issue Type: Improvement
            Reporter: Vlad Rozov


Apex platform assumes that an operator interacts with the platform using the dedicated operator thread. Currently, operators may create worker threads and emit tuples from a worker thread. This leads to undefined behavior and hard to find bugs, so it should be possible to enforce that DefaultOutputPort.emit() and/or Sink.put() are called on the operator thread.



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