percona/percona-server-mongodb
Nov 2024 – Jun 2025
3 Months active
Languages Used
PythonBzlYAML
Technical Skills
Build ScriptsCode FormattingBuild System ConfigurationCI/CDConfiguration ManagementDatabase Administration
Andrew Chen
PROFILE
Andrew Chen
Andrew Chen contributed to the percona/percona-server-mongodb repository by developing targeted enhancements to build scripts and stream processing reliability. He implemented a single-file formatting command in Python for clang_format.py, improving IDE integration and streamlining local and CI workflows. Andrew also delivered S3 stream processing features, introducing error codes and expanding Evergreen CI test coverage to increase reliability and traceability. Addressing build stability, he configured UBSAN workarounds for third-party dependencies using YAML and build system configuration skills. His work culminated in adding a retryable error code for expired S3 tokens, strengthening error handling and resilience in streaming workloads for production environments.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
5Total
Bugs
1
Commits
5
Features
3
Lines of code
56
Activity Months3
Your Network
522 people
Work History
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary highlighting business value and technical execution for the Stream Processor within Percona Server for MongoDB. Implemented a targeted resiliency improvement by adding a new retryable error code for expired S3 tokens (StreamProcessorS3TokenExpired, 451) to enable granular error handling and retries. The error code was added to error_codes.yml and linked to the work item SERVER-105916, with the associated commit driving the change. Resulting in more robust streaming workloads and fewer token-expiry related failures.
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary highlighting business value and technical execution for the Stream Processor within Percona Server for MongoDB. Implemented a targeted resiliency improvement by adding a new retryable error code for expired S3 tokens (StreamProcessorS3TokenExpired, 451) to enable granular error handling and retries. The error code was added to error_codes.yml and linked to the work item SERVER-105916, with the associated commit driving the change. Resulting in more robust streaming workloads and fewer token-expiry related failures.
June 2025
March 2025
3 Commits • 1 Features
Mar 1, 2025Monthly summary for 2025-03 for repository percona/percona-server-mongodb. Key work focused on improving S3 stream processing reliability and stabilizing the build with a UBSAN workaround to maintain development velocity while we address third-party dependency issues. Highlights include delivering a basic S3 sink stage with error codes and expanding CI coverage via Evergreen tests, along with a targeted build-stability workaround that temporarily disables UBSAN for specific third-party dependencies. The month also established clearer traceability to the work via referenced commits and task IDs, facilitating quicker follow-up and impact assessment.
March 2025
3 Commits • 1 Features
Mar 1, 2025Monthly summary for 2025-03 for repository percona/percona-server-mongodb. Key work focused on improving S3 stream processing reliability and stabilizing the build with a UBSAN workaround to maintain development velocity while we address third-party dependency issues. Highlights include delivering a basic S3 sink stage with error codes and expanding CI coverage via Evergreen tests, along with a targeted build-stability workaround that temporarily disables UBSAN for specific third-party dependencies. The month also established clearer traceability to the work via referenced commits and task IDs, facilitating quicker follow-up and impact assessment.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary: Implemented a targeted enhancement to the code formatting tooling for Percona Server MongoDB by adding a single-file formatting command (format-one) to clang_format.py. This enables formatting of individual files, improving IDE integration and making build scripts more flexible and maintainable. This work reduces manual steps, accelerates formatting in local development and CI pipelines, and aligns with our ongoing automation and code-quality initiatives.
1 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary: Implemented a targeted enhancement to the code formatting tooling for Percona Server MongoDB by adding a single-file formatting command (format-one) to clang_format.py. This enables formatting of individual files, improving IDE integration and making build scripts more flexible and maintainable. This work reduces manual steps, accelerates formatting in local development and CI pipelines, and aligns with our ongoing automation and code-quality initiatives.
November 2024
Activity
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Quality Metrics
Correctness84.0%
Maintainability88.0%
Architecture84.0%
Performance76.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
BzlPythonYAML
Technical Skills
Build ScriptsBuild System ConfigurationCI/CDCode FormattingConfiguration ManagementDatabase AdministrationError HandlingTesting
Repositories Contributed To
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