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Posted to jira@kafka.apache.org by "Chia-Ping Tsai (Jira)" <ji...@apache.org> on 2021/02/28 03:34:00 UTC

[jira] [Created] (KAFKA-12387) Avoid unnecessary copy of FetchResponse data in handleFetchRequest

Chia-Ping Tsai created KAFKA-12387:
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             Summary: Avoid unnecessary copy of FetchResponse data in handleFetchRequest 
                 Key: KAFKA-12387
                 URL: https://issues.apache.org/jira/browse/KAFKA-12387
             Project: Kafka
          Issue Type: Improvement
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai


the inner method "processResponseCallback" and "maybeConvertFetchedData" create many copy from input data. After [https://github.com/apache/kafka/pull/9758] is merged, the data is changed to auto-generated data which is mutable. Hence, we can mutate input data to avoid copy.



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