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hadoop-hdfs's Introduction

hadoop-hdfs

Hadoop分布式文件系统hdfs代码分析

目录介绍

Datanode-数据块基本结构

主要介绍了HDFS中第二关系块结构，数据块到数据节点的映射关系。详细介绍链接

Decommision-节点撤销

主要介绍了数据节点下线撤销机制。详细介绍链接

INode-文件目录结构

主要介绍了文件系统中文件目录节点结构，相关类。详细介绍链接

Lease-租约

主要介绍了分布式文件系统中与文件租约相关的内容。详细介绍链接

NameMetaData-元数据机制

主要介绍了namenode上元数据相关操作机制，包括editlog和fsimage2个文件在此期间的状态改变。详细介绍链接

Register-数据节点注册

主要介绍了数据节点启动时的注册操作。详细介绍链接

hadoop-hdfs's People

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