taosdata/TDengine
Feb 2025 – Apr 2026
4 Months active
Languages Used
CMarkdownC++CMake
Technical Skills
C ProgrammingDatabaseDocumentationSchema ManagementBug FixingMemory Management
yihaoDeng
PROFILE
Yihaodeng
Contributed to the taosdata/TDengine repository by building and refining core features in stream processing, schema management, and transport layer security. Applied C and C++ to enhance calculation-enabled stream readers, improve schema validation logic, and strengthen memory safety in query processing. Addressed resource lifecycle risks by refactoring stream reader deployment and undeploy logic, ensuring reliable resource management. Improved documentation and configuration clarity for users, while also hardening the SASL transport path with initialization checks and build integration using CMake. The work focused on maintainability, security, and stability, delivering robust solutions for database operations and real-time data processing within TDengine.
Overall Statistics
Feature vs Bugs
33%Features
Repository Contributions
7Total
Bugs
4
Commits
7
Features
2
Lines of code
307
Activity Months4
Your Network
119 peopleSame Organization
@taosdata.com31
MingRen ChenMember
xiao-77Member
Bomin ZhangMember
Bo XiaoMember
Qin ChongMember
Yaming PeiMember
guozhenweiMember
hongzhenliu335Member
tangfangzhiMember
Shared Repositories
88
Work History
April 2026
2 Commits
Apr 1, 2026In April 2026, TDengine focused on hardening the SASL transport path to improve the reliability and security of client connections. Delivered fixes to ensure SASL initialization occurs before SSL handshakes, added null pointer checks, included SASL in the build, and validated initialization prior to SSL usage. These changes reduce transport failures, strengthen security posture, and simplify future maintenance across the TDengine transport layer.
2 Commits
Apr 1, 2026In April 2026, TDengine focused on hardening the SASL transport path to improve the reliability and security of client connections. Delivered fixes to ensure SASL initialization occurs before SSL handshakes, added null pointer checks, included SASL in the build, and validated initialization prior to SSL usage. These changes reduce transport failures, strengthen security posture, and simplify future maintenance across the TDengine transport layer.
April 2026
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for taosdata/TDengine. Focused on stream processing enhancements and resource lifecycle safety. Key deliverables: - Stream Reader Calculation Enhancements: Introduced calculation-specific reader contexts, refactored data structures and function signatures, and updated stream task management and deployment to enable calculation capabilities. Commit: 209fa90b349f1ecf6324f88559fd979fd544cb51. - Stream Reader Undeploy Resource Management Fix: Corrected undeploy logic to release calculation-related resources only when the trigger reader is inactive, preventing double-free or incorrect resource management. Commit: 02fe62ec4393378c1eb26b2821a9f51fe911ae67. Major bugs fixed: - Resolved resource lifecycle risk in calculation-enabled stream readers by ensuring safe release of resources during undeploy. Overall impact and accomplishments: - Enabled calculation-enabled stream processing within TDengine, expanding analytical capabilities and real-time calculation use cases. - Improved memory/resource safety and stability of the stream reader lifecycle, reducing risk of leaks and crashes during deployment and undeploy cycles. - Enhanced deployment readiness for calculation features through refactored code paths and clearer task lifecycle management. Technologies/skills demonstrated: - Code refactoring and design for calculation-specific reader contexts - Resource lifecycle management and safe undeploy patterns - Deployment orchestration and stream task management - Traceability through commits and change records Business value: - Faster time-to-value for new calculation workloads in streaming data, with safer resource handling and more reliable deployments.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for taosdata/TDengine. Focused on stream processing enhancements and resource lifecycle safety. Key deliverables: - Stream Reader Calculation Enhancements: Introduced calculation-specific reader contexts, refactored data structures and function signatures, and updated stream task management and deployment to enable calculation capabilities. Commit: 209fa90b349f1ecf6324f88559fd979fd544cb51. - Stream Reader Undeploy Resource Management Fix: Corrected undeploy logic to release calculation-related resources only when the trigger reader is inactive, preventing double-free or incorrect resource management. Commit: 02fe62ec4393378c1eb26b2821a9f51fe911ae67. Major bugs fixed: - Resolved resource lifecycle risk in calculation-enabled stream readers by ensuring safe release of resources during undeploy. Overall impact and accomplishments: - Enabled calculation-enabled stream processing within TDengine, expanding analytical capabilities and real-time calculation use cases. - Improved memory/resource safety and stability of the stream reader lifecycle, reducing risk of leaks and crashes during deployment and undeploy cycles. - Enhanced deployment readiness for calculation features through refactored code paths and clearer task lifecycle management. Technologies/skills demonstrated: - Code refactoring and design for calculation-specific reader contexts - Resource lifecycle management and safe undeploy patterns - Deployment orchestration and stream task management - Traceability through commits and change records Business value: - Faster time-to-value for new calculation workloads in streaming data, with safer resource handling and more reliable deployments.
March 2025
1 Commits
Mar 1, 2025March 2025 TDengine: Focused on strengthening memory safety in the query path. Implemented a fix to prevent heap-use-after-free during extended schema retrieval in metaQuery.c. The patch improves stability and security of schema operations and reduces risk of memory errors in the query processing path.
1 Commits
Mar 1, 2025March 2025 TDengine: Focused on strengthening memory safety in the query path. Implemented a fix to prevent heap-use-after-free during extended schema retrieval in metaQuery.c. The patch improves stability and security of schema operations and reduces risk of memory errors in the query processing path.
March 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for taosdata/TDengine: Delivered targeted improvements that enhance configurability, correctness, and maintainability. Focused on user-facing documentation and robust schema processing to reduce false-positive validation errors and streamline schema updates.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for taosdata/TDengine: Delivered targeted improvements that enhance configurability, correctness, and maintainability. Focused on user-facing documentation and robust schema processing to reduce false-positive validation errors and streamline schema updates.
Activity
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Quality Metrics
Correctness84.2%
Maintainability82.8%
Architecture77.2%
Performance77.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++CMakeMarkdown
Technical Skills
Bug FixingC ProgrammingC programmingC++ DevelopmentCMakeData EngineeringDatabaseDocumentationMemory ManagementSchema ManagementStream ProcessingSystem DesignSystem programmingnetwork programmingsecurity protocols
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