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Posted to dev@apex.apache.org by "Aayushi Acharya (JIRA)" <ji...@apache.org> on 2016/07/15 04:42:20 UTC

[jira] [Updated] (APEXMALHAR-2139) UniqueCounter changes

     [ https://issues.apache.org/jira/browse/APEXMALHAR-2139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aayushi Acharya updated APEXMALHAR-2139:
----------------------------------------
    Labels: pr  (was: )

> UniqueCounter changes
> ---------------------
>
>                 Key: APEXMALHAR-2139
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2139
>             Project: Apache Apex Malhar
>          Issue Type: Improvement
>            Reporter: Aayushi Acharya
>             Fix For: 3.5.0
>
>
> 1.Update the unique counter operator from Malhar https://github.com/apache/apex-malhar/blob/master/library/src/main/java/com/datatorrent/lib/algo/UniqueCounter.java to emit one tuple at a time vs dumping a map.
> 2.Emit only the keys for which values changed or were added in a given window.
> 3.Add test cases for 1 and 2.



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