percona/percona-server
Nov 2024 – Feb 2025
3 Months active
Languages Used
C++SQLShell
Technical Skills
Bug FixingDatabase InternalsNDB ClusterSQL DevelopmentBackup and RestoreDatabase Administration
Duarte Patricio
PROFILE
Duarte Patricio
Worked on the percona/percona-server repository, focusing on enhancing database reliability and correctness over a three-month period. Addressed critical issues in NDB Cluster backup and restore workflows, particularly improving the handling of ndb_sql_metadata restoration and preventing misconfigurations with BLOB_INLINE_SIZE for TINYBLOB columns. Used C++, SQL, and Shell scripting to implement explicit warnings, idempotent checks, and robust validation logic, ensuring safer data recovery and reducing restore failures. Prioritized stability and maintainability by refining system table checks and reverting flawed logic, resulting in more predictable upgrade paths and improved metadata integrity for enterprise database administration scenarios.
Overall Statistics
Feature vs Bugs
33%Features
Repository Contributions
4Total
Bugs
2
Commits
4
Features
1
Lines of code
887
Activity Months3
Your Network
871 peopleSame Organization
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Work History
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for percona/percona-server: Delivered NDB restore robustness improvements and corrected restore behavior to reduce failures, with a targeted revert to restore logic ensuring proper table restoration and test coverage. Result: more reliable restores, safer upgrade paths, and stronger verification around metadata handling.
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for percona/percona-server: Delivered NDB restore robustness improvements and corrected restore behavior to reduce failures, with a targeted revert to restore logic ensuring proper table restoration and test coverage. Result: more reliable restores, safer upgrade paths, and stronger verification around metadata handling.
February 2025
January 2025
1 Commits
Jan 1, 2025January 2025 monthly summary for percona/percona-server focusing on reliability improvements to NDB restore workflows. Delivered a critical bug fix addressing restoration of the ndb_sql_metadata table when --include-stored-grants is used after an NDB data node restart. The changes include updated system table checks to allow restoration and the addition of idempotent checks to skip existing tables and indexes to prevent 'already exists' errors. No new features were released this month; emphasis was on stabilizing core restore functionality to reduce downtime and support enterprise data recovery scenarios.
January 2025
1 Commits
Jan 1, 2025January 2025 monthly summary for percona/percona-server focusing on reliability improvements to NDB restore workflows. Delivered a critical bug fix addressing restoration of the ndb_sql_metadata table when --include-stored-grants is used after an NDB data node restart. The changes include updated system table checks to allow restoration and the addition of idempotent checks to skip existing tables and indexes to prevent 'already exists' errors. No new features were released this month; emphasis was on stabilizing core restore functionality to reduce downtime and support enterprise data recovery scenarios.
November 2024
1 Commits
Nov 1, 2024November 2024: Consolidated correctness around BLOB handling in percona-server. No new user-facing features delivered this month; primary focus on bug fixes and configuration validation to prevent misconfiguration. Implemented explicit warning for BLOB_INLINE_SIZE on TINYBLOB, ensuring no silent defaults and preventing unintended storage behavior.
1 Commits
Nov 1, 2024November 2024: Consolidated correctness around BLOB handling in percona-server. No new user-facing features delivered this month; primary focus on bug fixes and configuration validation to prevent misconfiguration. Implemented explicit warning for BLOB_INLINE_SIZE on TINYBLOB, ensuring no silent defaults and preventing unintended storage behavior.
November 2024
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Quality Metrics
Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance75.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++SQLShell
Technical Skills
Backup and RestoreBug FixingC++Database AdministrationDatabase InternalsNDB ClusterNdb ClusterSQLSQL DevelopmentShell ScriptingSoftware TestingTesting
Repositories Contributed To
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