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1 High Availability背景知识1.1 单点故障、高可用单点故障（英语：single point of failure，缩写 SPOF）是指系统中某一点一旦失效，就会让整个系统无法运作，换句话说，单点故障即会整体故障。高可用性（英语：high availab...

HDFS namenode 高可用（HA）搭建指南 QJM方式 ——本质是多个namenode选举master，用paxos实现一致性

一、HDFS的高可用性 1.概述本指南提供了一个HDFS的高可用性（HA）功能的概述，以及如何配置和管理HDFS高可用性(HA)集群。本文档假定读者具有对HDFS集群的组件和节点类型具有一定理解。有关...

Hadoop 分布式文件系统 HDFS

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