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Zsolt Parragi

PROFILE

Zsolt Parragi

Zsolt Parragi engineered robust encryption, automation, and CI/CD solutions across the percona/postgres and percona/pg_tde repositories, focusing on PostgreSQL extension development and secure database management. He implemented transparent data encryption, advanced key management, and WAL encryption, addressing edge cases in replication and crash recovery using C and Shell scripting. Zsolt modernized build systems, streamlined CI workflows with GitHub Actions, and improved error handling and diagnostics for production readiness. His work included deprecating legacy modules, integrating global keyring support, and enhancing performance testing. The depth of his contributions reflects strong backend development skills and a comprehensive approach to reliability and maintainability.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

52Total
Bugs
11
Commits
52
Features
22
Lines of code
17,428
Activity Months9

Work History

October 2025

5 Commits • 2 Features

Oct 1, 2025

October 2025: Improved TDE reliability and developer experience for percona/pg_tde. Delivered UX and build improvements, began AIO support integration for PG180000+, and implemented targeted fixes for PG18+ AIO and Akeyless provider lookups, strengthening deployment readiness and security.

August 2025

6 Commits • 1 Features

Aug 1, 2025

August 2025: Delivered robust WAL encryption key management and cache improvements across two repositories, enhancing reliability of encryption, key lifecycle handling, and multi-timeline correctness. Implemented critical fixes to prevent data corruption and server crashes during recovery, replication, and key updates.

July 2025

4 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for developer work across Percona repositories. Key features delivered include enhancements to Stormweaver CI workflows to improve failure debugging and data capture, plus fixes to ensure correct PostgreSQL installation paths are used during Stormweaver runs. Implementations spanned two repositories (percona/postgres and percona/pg_tde) with a consistent pattern of logging/diagnostics enhancements and path accuracy improvements.

June 2025

4 Commits • 4 Features

Jun 1, 2025

June 2025 monthly summary focusing on CI automation, version management, and production readiness for Stormweaver across Percona’s PostgreSQL-related repositories. The team implemented automated end-to-end CI workflows, consolidated version updates for core components, and prepared Stormweaver validation for scalable use in production environments.

May 2025

4 Commits • 2 Features

May 1, 2025

May 2025 monthly summary focused on CI alignment with the latest Percona Server 17.5.1 and reinforcing crash resilience in the TDE stack. Delivered version bumps in CI for both pg_tde and postgres, and implemented two critical crash fixes in the storage path to improve stability during error scenarios and relation openings. The changes improve upgrade readiness, reduce flaky tests, and demonstrate proficiency in CI scripting, crash debugging, and cross-repo collaboration.

January 2025

14 Commits • 7 Features

Jan 1, 2025

January 2025: Consolidated strategic deprecation and modernization across the Percona PostgreSQL ecosystem. Key outcomes include removal and relocation of the pg_tde module, introduction of global keyring support, migration-path guidance for tde_heap_basic, and a comprehensive CI/CD overhaul. These changes reduce technical debt, improve security deployment flexibility, and enhance build reliability and developer productivity across both repositories.

December 2024

7 Commits

Dec 1, 2024

December 2024 monthly summary for percona/postgres focused on stability, reliability, and accurate branding/version reporting. Delivered key fixes and improvements across KMIP/pg_tde integration, build system robustness, and version reporting in PostgreSQL utilities. These changes reduce runtime issues in encrypted deployments, improve artifact consistency, and ensure customers see correct product naming and version data.

November 2024

7 Commits • 3 Features

Nov 1, 2024

November 2024 monthly summary for percona/postgres: Deliveries focused on API versioning, build reliability, and startup robustness to strengthen compatibility, deployment stability, and overall product resilience. These efforts reduce risk in extension negotiation, improve build reproducibility, and prevent cascading startup failures.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024: Delivered Performance Testing Output Enhancements for percona/postgres, adding detailed outputs and comparative analysis to quantify TDE overhead against HEAP scans. The suite now reports the total number of CSV entries and the percentage differences in execution time for TDE and TDE_BASIC, enabling clearer performance visibility and data-driven deployment decisions.

Activity

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Quality Metrics

Correctness91.8%
Maintainability90.6%
Architecture88.6%
Performance84.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashCGit configurationMakeMakefileMarkdownMesonPerlSQLShell

Technical Skills

API IntegrationAutomationBackend DevelopmentBug FixBug FixingBuild AutomationBuild SystemBuild System ConfigurationBuild SystemsBuild systemsC ProgrammingC programmingC/C++ CompilationC/C++ DevelopmentCI/CD

Repositories Contributed To

2 repos

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

percona/postgres

Oct 2024 Aug 2025
8 Months active

Languages Used

BashSQLShellCMesonMakefileGit configurationMarkdown

Technical Skills

Database ScriptingPerformance TestingSQLShell ScriptingAPI IntegrationBackend Development

percona/pg_tde

Jan 2025 Oct 2025
6 Months active

Languages Used

CMarkdownPerlSQLShellYAMLMakeMakefile

Technical Skills

Build SystemsC ProgrammingCI/CDCode FormattingCode RefactoringDatabase

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