Meta's ZGateway Cuts ZippyDB Connections 19x at 1B+ Operations per Second

Meta introduced ZGateway, a stateless proxy layer for its distributed key-value store ZippyDB. The gateway handles over 1 billion operations per second and about 40% of ZippyDB traffic, while reducing total persistent connections by roughly 19x.

• ZGateway handles over 1 billion operations per second and ~40% of ZippyDB traffic
• Total persistent connections drop about 19x, per-host counts by 97–98%
• The gateway handles auth, admission control, caching and request batching
• Meta plans to route all ZippyDB traffic through ZGateway