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https://issues.apache.org/jira/browse/APEXCORE-579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15937712#comment-15937712
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Bhupesh Chawda commented on APEXCORE-579:
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Requirements Discussion Thread:
https://lists.apache.org/thread.html/18225dd0142c42193cf2791d631092d5329c75a23b63246ee8232f0a@%3Cdev.apex.apache.org%3E
points to the requirements discussion for the feature.
Design Discussion Thread:
https://lists.apache.org/thread.html/56ae5057142f94f9047ed0233e9834bab650ac206865c92d01bc72d8@%3Cdev.apex.apache.org%3E
points to the discussion regarding design of the feature.
> 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
> Assignee: Bhupesh Chawda
> Fix For: 3.6.0
>
>
> 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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