Worked on the open-telemetry/opentelemetry-collector repository, focusing on optimizing memory usage in the core map handling logic. Delivered a targeted feature that preallocates Go maps in the pcommon.Map.AsRaw() function to the expected size, reducing unnecessary reallocations and improving memory efficiency under typical workloads. This change addressed memory profile issues and contributed to more stable performance and reduced garbage collection pressure during high-load scenarios. The work demonstrated strong skills in Go development, memory management, and performance optimization, with a clear and concise commit history. No major bugs were fixed during this period, and the contribution was well-documented and focused.