文件存储HDFS版源码分析数据块副本的相关内容

文章 2016-04-13 来自：开发者社区

HDFS源码分析之数据块及副本状态BlockUCState、ReplicaState

关于数据块、副本的介绍，请参考文章《HDFS源码分析之数据块Block、副本Replica》。一、数据块状态BlockUCState 数据块状态用枚举类BlockUCState来表示，代码如下： /** * States, whi...

文章 2016-04-13 来自：开发者社区

HDFS源码分析之数据块Block、副本Replica

我们知道，HDFS中的文件是由数据块Block组成的，并且为了提高容错性，每个数据块Block都会在不同数据节点DataNode上有若干副本Replica。那么，什么是Block？什么又是Replica？首先，我们看下Block的定义，如下： /********************...

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更新时间 2023-05-11 14:44:11

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文件存储HDFS

文件存储HDFS提供标准的HDFS访问协议，用户无需对现有大数据分析应用做任何修改，即可使用具备无限容量及性能扩展、单一命名空间、高可靠和高可用等特性的分布式文件系统。

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快速使用文件存储HDFS

常见问题

HDFS源码分析之数据块及副本状态BlockUCState、ReplicaState

HDFS源码分析之数据块Block、副本Replica

文件存储HDFS版副本相关内容

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