May 2025 monthly summary for grafana/nethax. Focused on delivering a scalable network-probing capability, enhanced test plans, and a more robust CI/build platform. Key outcomes: a pluggable Probe interface with TCP/HTTP implementations, improved test logging and pod selection, and strengthened CI/CD tooling. Key features delivered: - Probe framework and TCP/HTTP probe implementations: Introduced a Probe interface with concrete TCP and HTTP probes to reduce duplication and enable extensibility. Commits: c4a7a9d7ab234c8036b8edd920dba28cf062fd27; a4d2f42d5dcb8970840990988911e636c13e36f3. - Pod selection and test plan enhancements: Extended test plans to support pod field selectors, improved pod selection tests, and added PodSelector.String for logging/debugging. Commits: 2b1a3417a999f5fe2d0e841ab653614dd2f7dabd; e577474c2b092341c1bbfe5087ac3c966371c8b4; 215e123433031c275f3b04dc9a830c7e298c189e. - CI, build, and internal platform improvements: Strengthened CI workflows, build robustness, and internal tooling including Kubernetes client refactor, YAML library upgrade, and error propagation improvements. Commits: 2c0b3df7c4f78fc152efe81c4bb6f4561b2fd205; b40b92e553d4a600df9c6348a6d13f079e39e794; d585d49cf660756f7e070f9b666fe5ea9f89e26b; 973ee52a15b316c1af1da0ca044195ff18566131; 4eea504c51b131a651ce9811fe28eb50b4768f1f; f99a612a66d2099158e7ba80d0baaa9dc830c376; c92d537e87812a110bac82e48eed931d0161338d; d5492488a290ea2fe392890542ea7d6359963d06. Major bugs fixed: - Fixed TCP probe success test, stabilizing probe outcomes and improving test reliability. Commit: a4d2f42d5dcb8970840990988911e636c13e36f3. Overall impact and accomplishments: - Business value: Reduced code duplication, enabling faster feature delivery and easier maintenance for probe-related functionality. Improved test reliability reduces MTTR and increases confidence in network probing. - Technical achievements: Achieved a more extensible probing architecture, better logging and pod-relevant debugging, and a hardened CI/CD pipeline with cleaner internal codebase. Technologies/skills demonstrated: - Go interfaces and polymorphism for the Probe design - Test-driven development and robust testing strategies - Kubernetes client usage and related refactors - YAML library upgrades and build-time optimizations - CI/CD automation, error propagation, and logging cleanup.

March 2025 continued a performance-focused delivery across grafana/pyroscope and hackathon-12-pyroscope, emphasizing benchmarking, profiling, and test coverage improvements. Key outcomes include expanded benchmarks for stacktrace handling, ingester profiling, and stacktraceTree insertion, along with workflow enhancements to enable differential benchmarking. Investments in code efficiency and documentation alignment position the projects for more reliable performance insights and scalable growth.