RateShield — High-Performance Distributed Rate Limiter
An ultra-fast, zero-allocation Go rate limiter achieving sub-40ns execution time using a 64-shard in-memory engine, atomic Redis Lua scripting, and multi-tier failover.
- • Sub-40ns execution time (34.84ns Token Bucket)
- • 0 B/op allocations on hot path
- • 64-shard FNV-1a mutex engine