Worked on the hyperledger/besu repository to deliver a feature enabling configuration-driven loading of the jemalloc memory allocator, controlled by the BESU_USING_JEMALLOC environment variable. This update ensured jemalloc was loaded only when explicitly requested, reducing startup overhead in environments where it was not needed. The implementation improved detection and reporting of jemalloc usage, providing clearer operational logs and robust handling when jemalloc was not installed or enabled. The work focused on performance optimization and system administration, utilizing Java and Shell scripting to enhance memory allocator configurability and observability without introducing new bugs during the development period.