Open-Sourcing Rebalancer: A Generic, High-Performance Library for Solving Assignment Problems
Meta open-sources Rebalancer, its nine-year-old assignment-problem solver for datacenter resource allocation.
“This separation of concerns is crucial to Rebalancer’s usability, scalability, and extensibility.”
Meta open-sourced Rebalancer, a library used internally for over nine years to solve assignment problems like hardware, service, task placement, and traffic routing across its infrastructure. It separates problem specification from solving via an expression graph to address usability and scalability challenges. While a notable infrastructure engineering release, it is not a core AI signal.