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Posted to dev@apex.apache.org by "Bhupesh Chawda (JIRA)" <ji...@apache.org> on 2017/05/14 14:16:04 UTC

[jira] [Created] (APEXMALHAR-2488) Simplify join support in Malhar

Bhupesh Chawda created APEXMALHAR-2488:
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             Summary: Simplify join support in Malhar
                 Key: APEXMALHAR-2488
                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2488
             Project: Apache Apex Malhar
          Issue Type: Task
            Reporter: Bhupesh Chawda
            Assignee: Bhupesh Chawda


Currently there are multiple join implementations in Malhar. 
One is an inner join implementation based on managed state, and another is a merge operator based on the windowed operator and uses spillable data structures.
This JIRA is to remove the inner join implementation from malhar - org/apache/apex/malhar/lib/join/

The merge operator also needs to be simplified - perhaps by providing a wrapper around it which can be used without requiring any knowledge of windowing concepts. This will be a separate JIRA.

Discussions here: https://lists.apache.org/thread.html/34e5b8753a1ea512eb8ae95af03b7646f23124705fe1c07b069a46c5@%3Cdev.apex.apache.org%3E



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