mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2026-09-20 13:30:46 +02:00
chrislu
739601fb3a
🎯 MAJOR BREAKTHROUGH - Subscription Metadata Generation ✅ SUBSCRIPTION METADATA GENERATION: - Generate proper subscription metadata when client sends empty metadata ✅ - Format: version(2) + topics_count(4) + topics[] ✅ - Generated 22-byte metadata for 'e2e-test-topic' ✅ - JoinGroup response size: 158 bytes (was 136, +22 for metadata) ✅ 🔍 TECHNICAL IMPLEMENTATION: - Added getAvailableTopics() method to Handler ✅ - Metadata format: 000000000001000e6532652d746573742d746f706963 ✅ - Proper binary encoding with BigEndian byte order ✅ - Dynamic topic discovery from handler's topic registry ✅ 📊 EVIDENCE OF SUCCESS: - 'DEBUG: JoinGroup generating subscription metadata for topics: [e2e-test-topic]' - 'DEBUG: JoinGroup generated metadata (22 bytes): 000000000001000e6532652d746573742d746f706963' - 'DEBUG: JoinGroup response hex dump (158 bytes): ...' - kafka-go now receives proper topic subscription information 🔍 CURRENT STATUS: - FindCoordinator v0: ✅ Working perfectly - JoinGroup v2: ✅ Parsing, metadata generation, response working - Issue: kafka-go still retries JoinGroup - may need leader-specific handling ❌ IMPACT: This establishes proper subscription metadata communication between kafka-go and our gateway. The foundation for topic subscription and partition assignment is now in place. Next: Investigate leader vs member metadata differences in JoinGroup.