PoAn Yang created KAFKA-17967:
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Summary: Dynamic change ProducerStateEntry#NUM_BATCHES_TO_RETAIN
based on max.in.flight.requests.per.connection
Key: KAFKA-17967
URL: https://issues.apache.org/jira/browse/KAFKA-17967
Project: Kafka
Issue Type: Improvement
Reporter: PoAn Yang
Assignee: PoAn Yang
Followup from
https://issues.apache.org/jira/browse/KAFKA-17926?focusedCommentId=17895138&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17895138
In server side, by default, we set ProducerStateEntry#NUM_BATCHES_TO_RETAIN as
5 for each producer. In client side, the max in flight requests can be changed
by max.in.flight.requests.per.connection. We can enhance the producer request
to carry the max.in.flight.requests.per.connection value, allowing the server
to initialize or adjust ProducerStateEntry with the correct size.
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