wal-g/wal-g
Dec 2024 – Mar 2025
4 Months active
Languages Used
GoMarkdownShellYAML
Technical Skills
Backup and RecoveryBackup and RestoreCLI DevelopmentDatabase ManagementDistributed SystemsStorage Management
munakoiso
PROFILE
Munakoiso
Over four months, Ermolin contributed to the wal-g/wal-g repository by building and enhancing backup and restore features for PostgreSQL and Greenplum, focusing on distributed storage management and reliability. He implemented cross-storage backup copying, introduced multistorage support, and refactored backup logic to improve operability and resilience. Using Go and Shell, Ermolin expanded test coverage, stabilized CI/CD workflows with GitHub Actions, and addressed critical bugs affecting backup correctness and log clarity. His work demonstrated depth in backend development, configuration management, and debugging, resulting in robust, maintainable CLI tooling that supports complex storage scenarios and improves confidence in backup operations.
Overall Statistics
Feature vs Bugs
57%Features
Repository Contributions
8Total
Bugs
3
Commits
8
Features
4
Lines of code
1,580
Activity Months4
Your Network
29 people
Work History
March 2025
2 Commits
Mar 1, 2025March 2025: wal-g/wal-g focused on log observability and code hygiene. Delivered two targeted bug fixes that improve log clarity and reduce log noise, with no production behavior changes and clear commit-level traceability.
2 Commits
Mar 1, 2025March 2025: wal-g/wal-g focused on log observability and code hygiene. Delivered two targeted bug fixes that improve log clarity and reduce log noise, with no production behavior changes and clear commit-level traceability.
March 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary focusing on wal-g/wal-g. Key features delivered include Greenplum Multistorage Enhancements with explicit storage targeting and improved storage policy handling, plus a refactor of backup/restore for more robust distributed data management. A preparatory FetchFromStorage method was added in GenericMetaFetcher to enable future metadata retrieval from storage. Major bugs fixed include stabilization work around the etcd GenericMetaFetcher. Two commits were landed: aa7f5e40 (Better gp multistorage) and 4a88542fcb2f6bd324d508d7c6506286b9bd8418 (fix etcd GenericMetaFetcher).
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary focusing on wal-g/wal-g. Key features delivered include Greenplum Multistorage Enhancements with explicit storage targeting and improved storage policy handling, plus a refactor of backup/restore for more robust distributed data management. A preparatory FetchFromStorage method was added in GenericMetaFetcher to enable future metadata retrieval from storage. Major bugs fixed include stabilization work around the etcd GenericMetaFetcher. Two commits were landed: aa7f5e40 (Better gp multistorage) and 4a88542fcb2f6bd324d508d7c6506286b9bd8418 (fix etcd GenericMetaFetcher).
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for wal-g/wal-g focused on stabilizing CI linting and expanding backup storage capabilities. Delivered reliability improvements in the GitHub Actions workflow and introduced multistorage backup support for Greenplum, enabling multiple storage backends and enhanced durability. Updated documentation and configuration to reflect new capabilities, improving operability for operators and developers.
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for wal-g/wal-g focused on stabilizing CI linting and expanding backup storage capabilities. Delivered reliability improvements in the GitHub Actions workflow and introduced multistorage backup support for Greenplum, enabling multiple storage backends and enhanced durability. Updated documentation and configuration to reflect new capabilities, improving operability for operators and developers.
January 2025
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 performance summary for wal-g/wal-g: Delivered two major features expanding cross-storage backup copying for PostgreSQL and Greenplum, fixed a critical WAL copy issue, and expanded test coverage. The changes improve backup reliability, cross-environment portability, and restore confidence, while showcasing Go-based CLI tooling and robust test-driven development.
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 performance summary for wal-g/wal-g: Delivered two major features expanding cross-storage backup copying for PostgreSQL and Greenplum, fixed a critical WAL copy issue, and expanded test coverage. The changes improve backup reliability, cross-environment portability, and restore confidence, while showcasing Go-based CLI tooling and robust test-driven development.
Activity
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Quality Metrics
Correctness86.2%
Maintainability87.6%
Architecture86.2%
Performance82.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
GoMarkdownShellYAML
Technical Skills
Backend DevelopmentBackup and RecoveryBackup and RestoreBug FixCI/CDCLI DevelopmentCloud StorageCode RefactoringConfiguration ManagementDatabase ManagementDebuggingDistributed SystemsGitHub ActionsGo DevelopmentStorage Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline