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Posted to dev@apex.apache.org by "David Yan (JIRA)" <ji...@apache.org> on 2016/11/28 22:36:58 UTC

[jira] [Created] (APEXCORE-579) Custom control tuple support

David Yan created APEXCORE-579:
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             Summary: Custom control tuple support
                 Key: APEXCORE-579
                 URL: https://issues.apache.org/jira/browse/APEXCORE-579
             Project: Apache Apex Core
          Issue Type: New Feature
            Reporter: David Yan


The discussion thread is here:

https://lists.apache.org/thread.html/9accc404a3cb17af2de73b860ed7dff4523a837b4d3c1c73fe0858c5@%3Cdev.apex.apache.org%3E

We will implement option 1 for now and park option 2 until we have a real use case.

We probably need a LinkedHashMap to store all the control tuples received in memory (to preserve the order and uniqueness).

The assumption is that we will not have a large number of control tuples within a streaming window and the memory footprint of control tuples is  small.




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