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https://issues.apache.org/jira/browse/APEXMALHAR-2339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15678055#comment-15678055
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bright chen commented on APEXMALHAR-2339:
-----------------------------------------

when use default AccumulationMode DISCARDING, it will have big impact for 
performance due to AbstractWindowedOperator.clearWindowData(Window)

> Windowed Operator benchmarking
> ------------------------------
>
>                 Key: APEXMALHAR-2339
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2339
>             Project: Apache Apex Malhar
>          Issue Type: Task
>            Reporter: bright chen
>            Assignee: bright chen
>




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