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aleksey.mochalov

PROFILE

Aleksey.mochalov

Worked on the FirebirdSQL/firebird repository to enhance database reliability by addressing two critical bugs related to transactional rollback and backup/restore processes. Focused on stabilizing error handling during EDS connection rollbacks, the developer implemented exception-safe resource management in C++ to prevent use-after-free issues and ensure reliable cleanup even when exceptions occur. Additionally, they improved the gbak restore workflow by adjusting buffer sizing to reserve space for record markers, reducing restore failures. Their work demonstrated strong skills in C++ development, memory management, and defensive programming, resulting in more stable connections under error conditions and increased backup and restore success rates.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
2
Commits
2
Features
0
Lines of code
32
Activity Months1

Your Network

25 people

Same Organization

@red-soft.ru
3
Artyom AbakumovMember
Artyom IvanovMember
Dmitry StarodubovMember

Work History

April 2026

2 Commits

Apr 1, 2026

April 2026 monthly performance snapshot for FirebirdSQL/firebird focused on stabilizing transactional rollback paths and improving backup/restore reliability. Key outcomes include two critical bug fixes: (1) EDS Connection Rollback Exception Handling and Resource Cleanup, addressing use-after-free risks by ensuring rollback exceptions are surfaced before the connection is released and that resource cleanup occurs reliably; (2) GBAK Restore Buffer Sizing for Next Record Marker, reserving space for the next record marker to prevent restore-related failures. Business value: higher connection stability under error conditions, fewer crashes during rollback, and increased restore success rates with reduced maintenance. Technologies/skills demonstrated: exception-safe resource management in C/C++, robust error handling, defensive programming, and targeted testing of rollback and restore workflows.

Activity

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Quality Metrics

Correctness100.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++

Technical Skills

C++C++ developmentError HandlingMemory Managementdatabase managementsystem programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

FirebirdSQL/firebird

Apr 2026 Apr 2026
1 Month active

Languages Used

C++

Technical Skills

C++C++ developmentError HandlingMemory Managementdatabase managementsystem programming