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Posted to dev@kafka.apache.org by "Jose Armando Garcia Sancio (Jira)" <ji...@apache.org> on 2021/07/14 21:14:00 UTC

[jira] [Created] (KAFKA-13089) Revisit the usage of BufferSuppliers in Kraft

Jose Armando Garcia Sancio created KAFKA-13089:
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             Summary: Revisit the usage of BufferSuppliers in Kraft
                 Key: KAFKA-13089
                 URL: https://issues.apache.org/jira/browse/KAFKA-13089
             Project: Kafka
          Issue Type: Sub-task
          Components: kraft
            Reporter: Jose Armando Garcia Sancio
            Assignee: Jose Armando Garcia Sancio


The latest KafkaRaftClient creates a new BufferSupplier every time it is needed. A buffer supplier is needed when reading from the log and when reading from a snapshot.

It would be good to investigate if there is a performance and memory usage advantage of sharing the buffer supplier between those use cases and every time the log or snapshot are read.

If BufferSupplier is share, it is very likely that the implementation will have to be thread-safe because we need support multiple Listeners and each Listener would be using a different thread.



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