During September 2025, this developer focused on enhancing the reliability of distributed KV-cache eviction in the bytedance-iaas/sglang repository, specifically for DeepSeek V3/R1 under pipeline parallelism. Using C++ and Python, they addressed cache inconsistencies by implementing cross-rank synchronization of the maximum total tokens, ensuring that all pipeline parallel (PP) ranks maintained consistent cache management when parallelism exceeded one. This fix resolved eviction mismatches that previously led to unpredictable behavior in multi-rank workloads. Their work demonstrated depth in distributed systems, cache management, and model parallelism, resulting in improved cache stability, better performance predictability, and enhanced traceability for future audits.