
Sandra Romanchenko contributed to the percona/percona-backup-mongodb and percona/percona-docker repositories by delivering robust CI/CD pipelines, Docker image updates, and end-to-end test infrastructure. She upgraded Go runtimes and static analysis tooling, integrated Codecov for coverage visibility, and enhanced test environments with Oracle Linux 9. Sandra improved storage backend test coverage by adding MinIO and refining GCS HMAC configurations, ensuring reliable backup and restore validation. Her work involved Go, Shell, and YAML, focusing on build scripting, containerization, and cloud storage integration. These efforts strengthened code quality, compliance, and operational stability, reflecting a deep understanding of DevOps and system reliability.

Performance summary for 2025-10 focused on strengthening test infrastructure for percona/percona-backup-mongodb, expanding storage-backend test coverage, and improving CI reliability. Key features delivered: - End-to-end test configuration overhaul for GCS HMAC, MinIO storage compatibility, and test runner in percona/percona-backup-mongodb. - Commits: f225781952aa9b8d5c6dd47e6b68ad45654fa73d; 3e10ed2a574e04bdbca62ada3bc3c261cda5374a Major bugs fixed: - No major bugs fixed this month; primary focus was test infrastructure and coverage enhancements to reduce flakiness and guard against regressions. Overall impact and accomplishments: - Expanded test coverage across storage backends (GCS, MinIO, AWS S3) enabling thorough backup/restore validation and reducing release risk. - Improved CI reliability and developer confidence through updated test configurations and a more flexible test runner. Technologies/skills demonstrated: - End-to-end testing strategies, storage backend integration (GCS, MinIO, AWS S3), test runner orchestration, and CI automation.
Performance summary for 2025-10 focused on strengthening test infrastructure for percona/percona-backup-mongodb, expanding storage-backend test coverage, and improving CI reliability. Key features delivered: - End-to-end test configuration overhaul for GCS HMAC, MinIO storage compatibility, and test runner in percona/percona-backup-mongodb. - Commits: f225781952aa9b8d5c6dd47e6b68ad45654fa73d; 3e10ed2a574e04bdbca62ada3bc3c261cda5374a Major bugs fixed: - No major bugs fixed this month; primary focus was test infrastructure and coverage enhancements to reduce flakiness and guard against regressions. Overall impact and accomplishments: - Expanded test coverage across storage backends (GCS, MinIO, AWS S3) enabling thorough backup/restore validation and reducing release risk. - Improved CI reliability and developer confidence through updated test configurations and a more flexible test runner. Technologies/skills demonstrated: - End-to-end testing strategies, storage backend integration (GCS, MinIO, AWS S3), test runner orchestration, and CI automation.
2025-09 Monthly Summary for percona/percona-backup-mongodb: Delivered foundational Go runtime upgrade to 1.25 across CI/CD, build scripts, and docs, preparing the codebase for Go 1.25 features and dependencies. Changes implemented in the following commits: e029f050c420e498bacb0e8510847c95d2ff99fe (Bump golang to 1.25.1 in build script), 20e3e801ad7f66257466fdfadb5a60789126992f (Bump golang to 1.25 for codecov), eeedc55e86ee9a70716652c23acbbbdd47724cb6 (Bump golang to 1.25 in reviewdog, tests and contributing guide). This work touched the mongodb-backup_builder.sh, codecov workflow, CI/CD configurations, Dockerfiles for testing, and contributor guidelines. No major bug fixes were recorded this month; the focus was on foundational upgrade and alignment with Go 1.25 across pipelines.
2025-09 Monthly Summary for percona/percona-backup-mongodb: Delivered foundational Go runtime upgrade to 1.25 across CI/CD, build scripts, and docs, preparing the codebase for Go 1.25 features and dependencies. Changes implemented in the following commits: e029f050c420e498bacb0e8510847c95d2ff99fe (Bump golang to 1.25.1 in build script), 20e3e801ad7f66257466fdfadb5a60789126992f (Bump golang to 1.25 for codecov), eeedc55e86ee9a70716652c23acbbbdd47724cb6 (Bump golang to 1.25 in reviewdog, tests and contributing guide). This work touched the mongodb-backup_builder.sh, codecov workflow, CI/CD configurations, Dockerfiles for testing, and contributor guidelines. No major bug fixes were recorded this month; the focus was on foundational upgrade and alignment with Go 1.25 across pipelines.
Month 2025-08: Focused on stabilizing audit logging during rapid mongod restarts for the Percona Server for MongoDB project. Delivered a targeted reliability improvement to prevent audit log filename reuse on restart, reducing the risk of log conflicts and improving operational stability.
Month 2025-08: Focused on stabilizing audit logging during rapid mongod restarts for the Percona Server for MongoDB project. Delivered a targeted reliability improvement to prevent audit log filename reuse on restart, reducing the risk of log conflicts and improving operational stability.
June 2025 performance summary for percona/percona-backup-mongodb. Focused on strengthening CI quality gates and static analysis to reduce risk in production releases. Delivered enhancements to CI and static analysis with golangci-lint v2 upgrade, workflow adjustments, and broader lint coverage.
June 2025 performance summary for percona/percona-backup-mongodb. Focused on strengthening CI quality gates and static analysis to reduce risk in production releases. Delivered enhancements to CI and static analysis with golangci-lint v2 upgrade, workflow adjustments, and broader lint coverage.
December 2024: Strengthened testability, reliability, and product readiness for Percona Backup for MongoDB and related Docker builds. Delivered code coverage profiling capabilities across PBM, pbm-agent, and pbm-speed-test; upgraded end-to-end test environments to Oracle Linux 9; and refreshed PBM Docker images to the latest release across main and architecture-specific builds (aarch64, ubi8, ubi9). These changes enhance code quality visibility, reduce deployment risk, and ensure modern OS standards are reflected in CI/test workloads.
December 2024: Strengthened testability, reliability, and product readiness for Percona Backup for MongoDB and related Docker builds. Delivered code coverage profiling capabilities across PBM, pbm-agent, and pbm-speed-test; upgraded end-to-end test environments to Oracle Linux 9; and refreshed PBM Docker images to the latest release across main and architecture-specific builds (aarch64, ubi8, ubi9). These changes enhance code quality visibility, reduce deployment risk, and ensure modern OS standards are reflected in CI/test workloads.
For 2024-11, delivered key docker image updates and CI improvements across Percona projects, focusing on security, licensing visibility, and test coverage observability. Highlights include PSMDB image upgrades on 6.0/7.0 lines, adding LICENSE to PBM images, and Codecov integration in the CI for percona-backup-mongodb. These changes reduce security risk, improve compliance, and enhance visibility into test outcomes, contributing to reliability and maintainability across the product suite.
For 2024-11, delivered key docker image updates and CI improvements across Percona projects, focusing on security, licensing visibility, and test coverage observability. Highlights include PSMDB image upgrades on 6.0/7.0 lines, adding LICENSE to PBM images, and Codecov integration in the CI for percona-backup-mongodb. These changes reduce security risk, improve compliance, and enhance visibility into test outcomes, contributing to reliability and maintainability across the product suite.
Overview of all repositories you've contributed to across your timeline