
Worked on the opensupplyhub/open-supply-hub repository, delivering backend and infrastructure improvements over two months. Upgraded OpenSearch from version 2.13 to 2.17 using Terraform and Docker Compose, removing deprecated dependencies to enhance system stability and maintainability. Refactored SQL queries in the vector tile service to improve performance and reliability, while also addressing error handling and endpoint throttling. Introduced Playwright-based end-to-end testing with Docker and CI integration, increasing test coverage and operational efficiency. Reduced non-production costs by resizing RDS instances and fixed tile query parameter handling using Python and SQL, improving accuracy for production map features and markers.
November 2024 monthly summary for opensupplyhub/open-supply-hub. Key outcomes include: 1) Vector tile service: delivered significant performance and reliability improvements by refactoring SQL to remove JOIN/GROUP BY, enhanced empty-result error handling, and removing endpoint throttling to boost tile generation responsiveness; reference commit 473a8ed2ea02e956253ccd75e6e1c429e517aedc [OSDEV-1387]. 2) Operational efficiency and testing infrastructure upgrade: reduced non-prod costs by downsizing staging/test RDS from db.t3.large; introduced Playwright as the primary end-to-end testing framework with a Docker-based testing service and CI integration to improve test coverage and reliability; commits c008cf8337a6287d7342331b250db69b2fedacbf and ea239d5a2bba3dd34ccc59798929b08ebb086cfe [OSDEV-1171 / CI]. 3) Tile query parameter handling bug fix: corrected tile query logic by switching from array-conversion to tuple concatenation for multiple arguments, improving accuracy for production location's profile map and marker; commit 53f4833e454dca3331215e3f15a55344bef1d790 [OSDEV-1448].
November 2024 monthly summary for opensupplyhub/open-supply-hub. Key outcomes include: 1) Vector tile service: delivered significant performance and reliability improvements by refactoring SQL to remove JOIN/GROUP BY, enhanced empty-result error handling, and removing endpoint throttling to boost tile generation responsiveness; reference commit 473a8ed2ea02e956253ccd75e6e1c429e517aedc [OSDEV-1387]. 2) Operational efficiency and testing infrastructure upgrade: reduced non-prod costs by downsizing staging/test RDS from db.t3.large; introduced Playwright as the primary end-to-end testing framework with a Docker-based testing service and CI integration to improve test coverage and reliability; commits c008cf8337a6287d7342331b250db69b2fedacbf and ea239d5a2bba3dd34ccc59798929b08ebb086cfe [OSDEV-1171 / CI]. 3) Tile query parameter handling bug fix: corrected tile query logic by switching from array-conversion to tuple concatenation for multiple arguments, improving accuracy for production location's profile map and marker; commit 53f4833e454dca3331215e3f15a55344bef1d790 [OSDEV-1448].
October 2024 monthly summary for opensupplyhub/open-supply-hub: Completed the OpenSearch upgrade to 2.17 across Terraform and Docker Compose to ensure a maintained, supported stack and avoid deprecated images. Updated release notes to document the architectural change and upgrade rationale.
October 2024 monthly summary for opensupplyhub/open-supply-hub: Completed the OpenSearch upgrade to 2.17 across Terraform and Docker Compose to ensure a maintained, supported stack and avoid deprecated images. Updated release notes to document the architectural change and upgrade rationale.

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