vishnu viswanath reassigned FLINK-4174:

    Assignee: vishnu viswanath

> Enhance Window Evictor
> ----------------------
>                 Key: FLINK-4174
>                 URL: https://issues.apache.org/jira/browse/FLINK-4174
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Streaming
>            Reporter: vishnu viswanath
>            Assignee: vishnu viswanath
> Enhance the current functionality of Evictor as per this [design 
> document|https://docs.google.com/document/d/1Rr7xzlItYqvFXLyyy-Yv0vvw8f29QYAjm5i9E4A_JlU/edit].
> This includes:
> - Allow eviction of elements from the window in any order (not only from the 
> beginning). To do this Evictor must go through the list of elements and 
> remove the elements that have to be evicted instead of the current approach 
> of : returning the count of elements to be removed from beginning.
> - Allow eviction to be done before/after applying the window function.
> FLIP page for this enhancement : 
> [FLIP-4|https://cwiki.apache.org/confluence/display/FLINK/FLIP-4+%3A+Enhance+Window+Evictor]

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