# Introduction This module is the etcd registry plugin module, this plugin will use etcd as the registry center. # How to use If you want to set the registry center as etcd, you need to set the registry properties in master/worker/api's appplication.yml ```yaml registry: type: etcd endpoints: "http://etcd0:2379, http://etcd1:2379, http://etcd2:2379" # The options below have default values namespace: dolphinscheduler connectionTimeout: 9s # The unit is milliseconds retryDelay: 60ms retryMaxDelay: 300ms retryMaxDuration: 1500ms # The following options are set according to personal needs user: "" password: "" authority: "" loadBalancerPolicy: "" ``` After do this config, you can start your DolphinScheduler cluster, your cluster will use etcd as registry center to store server metadata.