apache/rocketmq
Apr 2025 – May 2025
2 Months active
Languages Used
Java
Technical Skills
Backend DevelopmentDistributed SystemsMessage QueuesCachingTesting
yangguodong
PROFILE
Yangguodong
Worked on apache/rocketmq to enhance topic-to-consumer group mapping and improve system reliability. Developed a concurrent topicGroupTable in Java, enabling efficient lookups of which consumer groups are consuming specific topics and supporting scalable consumption tracking. Refactored consumer registration and unregistration flows to maintain this mapping, and updated the queryTopicConsumeByWho method for better performance. Addressed a cache correctness issue by ensuring accurate group identifier usage during cache updates and added targeted unit tests to validate expected behavior. Focused on backend development, distributed systems, and caching, these contributions reduced misrouting risks and laid the foundation for future optimizations in message queue management.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
52
Activity Months2
Your Network
60 peopleShared Repositories
60
Work History
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for the apache/rocketmq repository focusing on key quality improvements and reliability gains. Delivered a critical correctness fix for the topic-group cache, ensuring accurate association of groups and stable consumption mappings. Implemented cache update logic to use the correct group identifier and added a unit test assertion to validate the behavior of the queryTopicConsumeByWho method. This work directly reduces misrouting risks and enhances overall system reliability.
1 Commits
May 1, 2025May 2025 monthly summary for the apache/rocketmq repository focusing on key quality improvements and reliability gains. Delivered a critical correctness fix for the topic-group cache, ensuring accurate association of groups and stable consumption mappings. Implemented cache update logic to use the correct group identifier and added a unit test assertion to validate the behavior of the queryTopicConsumeByWho method. This work directly reduces misrouting risks and enhances overall system reliability.
May 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025Month 2025-04: Delivered a feature in apache/rocketmq that introduces a concurrent topicGroupTable to map topics to consumer groups, enabling efficient lookups and scalable consumption tracking. Updated consumer registration/unregistration to maintain the mapping and refactored queryTopicConsumeByWho to use the new mapping for improved performance. This work lays groundwork for faster routing decisions and future enhancements in group-based consumption.
April 2025
1 Commits • 1 Features
Apr 1, 2025Month 2025-04: Delivered a feature in apache/rocketmq that introduces a concurrent topicGroupTable to map topics to consumer groups, enabling efficient lookups and scalable consumption tracking. Updated consumer registration/unregistration to maintain the mapping and refactored queryTopicConsumeByWho to use the new mapping for improved performance. This work lays groundwork for faster routing decisions and future enhancements in group-based consumption.
Activity
Loading activity data...
Quality Metrics
Correctness95.0%
Maintainability90.0%
Architecture90.0%
Performance95.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Backend DevelopmentCachingDistributed SystemsMessage QueuesTesting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline