For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.

For http protocol. nginx-upsync-module, sync upstreams from consul or etcd and so on, dynamiclly modify backend-servers attributes(weight, max_fails, down...), needn't reload nginx