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