Worked on the openobserve/openobserve repository, focusing on backend development with Rust to enhance observability and stability. Delivered a targeted feature that reduced logging noise during file deletion by adjusting log levels, which improved debugging workflows and operational clarity. Addressed a PromQL compatibility issue by fixing a bug in binary vector operations, ensuring that binary 'and' returns an empty matrix when either operand is empty, aligning behavior with Prometheus and preventing crashes. Emphasized maintainability and traceability by linking changes to specific issues and providing clear commit messages, supporting reliable operations for users and maintainers relying on consistent backend behavior.