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https://issues.apache.org/jira/browse/APEXMALHAR-2193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15437766#comment-15437766
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Thomas Weise commented on APEXMALHAR-2193:
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@timothyfarkas can you please comment on this issue? Removing entries from 
ArrayList is expensive, should we use a different data structure?

> Implement SpillableByteArrayListMultimapImpl.remove(@Nullable Object key, 
> @Nullable Object value)
> -------------------------------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-2193
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2193
>             Project: Apache Apex Malhar
>          Issue Type: Sub-task
>            Reporter: David Yan
>            Assignee: David Yan
>
> This is needed by SpillableSessionWindowedStorage. It needs a way to remove 
> the session window given the key in its internal keyToWindowsMap



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