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Current state: Under Discussion

Discussion thread: https://lists.apache.org/thread/dvc6pp2h5oxo4bcq1mnfbs02z0g7pk61here

JIRA: KAFKA-12392

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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• Correct the inaccurate description of --batch-size to reflect that it controls byte size, not message count
• Mark --max-partition-memory-bytes as deprecated, directing users to --batch-size instead.

• To maintain backward compatibility, the existing behavior where --max-partition-memory-bytes  overrides overrides --batch-size  will will be preserved until the deprecated option is removed.

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This was rejected because keeping the dedicated --batch-size flag is more convenient for users who frequently test the interaction between batch.size  and linger.ms .

Note: The recent KIP-1147 unified option names across many tools. It replaced --producer-property and --consumer-property with a consistent --command-property, and unified file-based options into --command-config.