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Posted to dev@kafka.apache.org by "Jason Gustafson (JIRA)" <ji...@apache.org> on 2018/03/08 01:22:00 UTC

[jira] [Created] (KAFKA-6623) Consider renaming inefficient RecordBatch operations

Jason Gustafson created KAFKA-6623:
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             Summary: Consider renaming inefficient RecordBatch operations
                 Key: KAFKA-6623
                 URL: https://issues.apache.org/jira/browse/KAFKA-6623
             Project: Kafka
          Issue Type: Improvement
            Reporter: Jason Gustafson


Certain batch-level operations are only efficient with the new message format version. For example, {{RecordBatch.baseOffset}} requires decompression for the old message format versions. It is a bit too easy at the moment to overlook the performance implications when using these methods at the moment, which results in issues like KAFKA-6622. We should consider either renaming them to make the complexity more apparent or modify the API so that the old message format simply expose the option conveniently. A similar case is the record count, which is efficient in v2, but inefficient for older formats. We handled this case by exposing a {{countOrNull}} method which only returns the count for v2.



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