Developed a server tracing configuration feature for the yhyang201/sglang repository, enabling trace level control at startup through the SGLANG_TRACE_LEVEL environment variable. This approach decoupled trace configuration from code changes, allowing runtime tuning of observability settings and streamlining the debugging process. By leveraging Python and focusing on environment variable management, the implementation reduced deployment friction and improved incident diagnosis by making trace level adjustments possible without redeployment. The work demonstrated careful integration with the server’s core lifecycle and included unit testing to ensure reliability. This feature enhanced operational flexibility and reduced mean time to recovery during server incidents.