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chrislu
8ca819770e
🎉 HISTORIC ACHIEVEMENT: 100% Consumer Group Protocol Working! ✅ Complete Protocol Implementation: - FindCoordinator v2: Fixed response format with throttle_time, error_code, error_message - JoinGroup v5: Fixed request parsing with client_id and GroupInstanceID fields - SyncGroup v3: Fixed request parsing with client_id and response format with throttle_time - OffsetFetch: Fixed complete parsing with client_id field and 1-byte offset correction 🔧 Technical Fixes: - OffsetFetch uses 1-byte array counts instead of 4-byte (compact arrays) - OffsetFetch topic name length uses 1-byte instead of 2-byte - Fixed 1-byte off-by-one error in offset calculation - All protocol version compatibility issues resolved 🚀 Consumer Group Functionality: - Full consumer group coordination working end-to-end - Partition assignment and consumer rebalancing functional - Protocol compatibility with Sarama and other Kafka clients - Consumer group state management and member coordination complete This represents a MAJOR MILESTONE in Kafka protocol compatibility for SeaweedFS