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https://issues.apache.org/jira/browse/KAFKA-16212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840715#comment-17840715
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Omnia Ibrahim commented on KAFKA-16212:
---------------------------------------

I believe that https://issues.apache.org/jira/browse/KAFKA-10551 (and possibly 
KAFKA-10549) needs to be done first as  ProoduceRequest and Respond interact 
with replicaManager cache to append log and it would be easier if this produce 
request path is already topic ID aware before updating the cache. I am 
prioritising KAFKA-10551 

> Cache partitions by TopicIdPartition instead of TopicPartition
> --------------------------------------------------------------
>
>                 Key: KAFKA-16212
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16212
>             Project: Kafka
>          Issue Type: Improvement
>    Affects Versions: 3.7.0
>            Reporter: Gaurav Narula
>            Assignee: Omnia Ibrahim
>            Priority: Major
>
> From the discussion in [PR 
> 15263|https://github.com/apache/kafka/pull/15263#discussion_r1471075201], it 
> would be better to cache {{allPartitions}} by {{TopicIdPartition}} instead of 
> {{TopicPartition}} to avoid ambiguity.



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