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https://issues.apache.org/jira/browse/KAFKA-15551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17827990#comment-17827990
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Lianet Magrans commented on KAFKA-15551:
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Also, given how tight the deadline is to get the fix/PR in, I would suggest we 
focus on the new consumer only. If we find things that could be improved in 
this sense in the old one, we could file a separate Jira for it and tackle it 
afterwards. 

> Evaluate conditions for short circuiting consumer API calls
> -----------------------------------------------------------
>
>                 Key: KAFKA-15551
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15551
>             Project: Kafka
>          Issue Type: Improvement
>          Components: clients, consumer
>            Reporter: Philip Nee
>            Assignee: Lianet Magrans
>            Priority: Major
>              Labels: consumer-threading-refactor, events
>             Fix For: 3.8.0
>
>
> For conditions like:
>  * Committing empty offset
>  * Fetching offsets for empty partitions
>  * Getting empty topic partition position
> Should be short circuit possibly at the API level.
> As a bonus, we should double-check whether the existing {{KafkaConsumer}} 
> implementation suffers from this.



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