文件存储HDFS版namenode高可用的相关内容

文章 2023-09-17 来自：开发者社区

HDFS Namenode HA高可用搭建

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 availability，缩写为 HA），IT术语，指系统无中断地执行其功能的能力，代表系统的可用性程度。是进行系统设计时的准则之一。高可用....

文章 2017-11-15 来自：开发者社区

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。有关详情，请参阅Apache的HDFS的架构指南。 http://hadoop.apache.org/d...

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更新时间 2023-09-25 09:45:23

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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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