During March 2026, dlrbqls980 focused on enhancing observability for the DataDog/saluki repository by implementing a bytes-received metric for OTLP gRPC exports. They modified the GrpcServiceImpl in Rust to accept a metrics parameter and updated service methods to increment the bytes received metric for metrics, logs, and traces. This asynchronous backend development work improved the accuracy of payload accounting and enabled more effective performance tracking and troubleshooting. By strengthening instrumentation across the OTLP export pipeline, dlrbqls980 addressed reliability and capacity planning needs. The contribution demonstrated a focused, in-depth approach to metrics tracking using Rust and gRPC technologies.