radai rosenblatt created KAFKA-6622:
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Summary: GroupMetadataManager.loadGroupsAndOffsets decompresses
record batch needlessly
Key: KAFKA-6622
URL: https://issues.apache.org/jira/browse/KAFKA-6622
Project: Kafka
Issue Type: Bug
Reporter: radai rosenblatt
Assignee: radai rosenblatt
Attachments: kafka batch iteration funtime.png
when reading records from a consumer offsets batch, the entire batch is
decompressed multiple times (per record) as part of calling `batch.baseOffset`.
this is a very expensive operation being called in a loop for no reason:
!kafka batch iteration funtime.png!
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