consul-cache

consul-cache

consul-cache is a local cache disguised as consul agent and has stronger performance.

Purpose

In the consul cluster, when the app initiates a watch request, the consul agent will forward the request to the consul server, which will put a huge burden on the consul server. The purpose of consul-cache is to separate this burden from the consul server.

Architecture

consul-cache has 2 components.

fetcher

Discover service changes from consul and build all instances corresponding to the service in Redis

cache

cache disguises itself as a consul agent to facilitate service discovery by business programs