During April 2025, Justin Azoff focused on optimizing file analysis performance in the zeek/zeek repository. He redesigned the byte counting mechanism by replacing object-based tracking with C++ uint64_t integers, which streamlined the code and improved throughput on large files by approximately nine percent. This change involved removing the IncrementByteCount path and updating key tracking metrics such as seen_bytes, missing_bytes, and overflow_bytes to align with the new approach. Justin’s work demonstrated depth in low-level programming and performance optimization, resulting in more scalable file analysis and reduced maintenance complexity for future development within the C++ codebase.