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https://issues.apache.org/jira/browse/KAFKA-3779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468313#comment-15468313
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Eno Thereska commented on KAFKA-3779:
-------------------------------------

I suggest we wait on adding dedup for (4) until we have obtained more 
experience with KIP-63 deployment, and that we keep KIP-63 primarily focused on 
(2) above. For (2) the semantics and expected gains are clear. I'm worried that 
this will be confusing for (4). [~damianguy] what do you think?

> Add the LRU cache for KTable.to() operator
> ------------------------------------------
>
>                 Key: KAFKA-3779
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3779
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: streams
>    Affects Versions: 0.10.1.0
>            Reporter: Eno Thereska
>             Fix For: 0.10.1.0
>
>
> The KTable.to operator currently does not use a cache. We can add a cache to 
> this operator to deduplicate and reduce data traffic as well. This is to be 
> done after KAFKA-3777.



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