pinterest/starrocks
Oct 2024 – Oct 2024
1 Month active
Languages Used
Java
Technical Skills
Backend DevelopmentJavaPerformance OptimizationSystem Services
wangshisan
PROFILE
Wangshisan
Over a two-month period, contributed backend enhancements and reliability improvements to the starrocks codebase. In pinterest/starrocks, delivered a Java-based performance optimization for the SHOW PROC statistics command by refactoring SystemInfoService to use streams for backend ID filtering, reducing redundant method calls and improving scalability for large clusters. Added automated tests to verify correct handling of decommissioned backend IDs. In crossoverJie/starrocks, addressed a concurrency issue in the User Function Cache by implementing a bug fix in C++ that prevents race conditions during shared UDF loading, strengthening caching reliability and concurrency control for analytics workloads under parallel execution scenarios.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
74
Activity Months2
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Work History
January 2025
1 Commits
Jan 1, 2025January 2025 monthly summary for crossoverJie/starrocks focusing on reliability improvements in the UDF subsystem. Delivered a critical bug fix in the User Function Cache to prevent race conditions when loading shared UDFs, enhancing stability under concurrent access and reducing the risk of incorrect loads. This work strengthens UDF execution reliability for analytics workloads and aligns with platform reliability goals.
1 Commits
Jan 1, 2025January 2025 monthly summary for crossoverJie/starrocks focusing on reliability improvements in the UDF subsystem. Delivered a critical bug fix in the User Function Cache to prevent race conditions when loading shared UDFs, enhancing stability under concurrent access and reducing the risk of incorrect loads. This work strengthens UDF execution reliability for analytics workloads and aligns with platform reliability goals.
January 2025
October 2024
1 Commits • 1 Features
Oct 1, 2024October 2024: Delivered a performance optimization for SHOW PROC statistics in pinterest/starrocks. Refactored SystemInfoService to use streams for filtering backend IDs, reducing redundant getBackendIds calls and improving overall efficiency. Added a test to verify retrieval of decommissioned backend IDs. This work aligns with performance goals and improves scalability for large clusters.
October 2024
1 Commits • 1 Features
Oct 1, 2024October 2024: Delivered a performance optimization for SHOW PROC statistics in pinterest/starrocks. Refactored SystemInfoService to use streams for filtering backend IDs, reducing redundant getBackendIds calls and improving overall efficiency. Added a test to verify retrieval of decommissioned backend IDs. This work aligns with performance goals and improves scalability for large clusters.
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Quality Metrics
Correctness85.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++Java
Technical Skills
Backend DevelopmentBug FixCachingConcurrency ControlJavaPerformance OptimizationSystem Services
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
crossoverJie/starrocks
Jan 2025 – Jan 2025
1 Month active
Languages Used
C++
Technical Skills
Bug FixCachingConcurrency Control