Haoyu Bai Muhammed Tawfiqul Islam Minxian Xu Rajkumar Buyya ORACL: Optimized Reasoning for Autoscaling via Chain of Thought with LLMs for Microservices. 2026 February abs/2602.05292 CoRR https://doi.org/10.48550/arXiv.2602.05292 db/journals/corr/corr2602.html#abs-2602-05292 streams/journals/corr