26 lines
610 B
Markdown
26 lines
610 B
Markdown
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## NameNode客户端协议详解
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协议的定义主要在类NamenodeProtocols中。如下：
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```java
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public interface NamenodeProtocols
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extends ClientProtocol,
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DatanodeProtocol,
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DatanodeLifelineProtocol,
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NamenodeProtocol,
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RefreshAuthorizationPolicyProtocol,
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ReconfigurationProtocol,
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RefreshUserMappingsProtocol,
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RefreshCallQueueProtocol,
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GenericRefreshProtocol,
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GetUserMappingsProtocol,
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HAServiceProtocol {
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}
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```
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其中NameNode相关的大多数在NamenodeProtocol当中。
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### NamenodeProtocol 详解
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