副本数据库的相关内容

文章 2022-02-16 来自：开发者社区

新装建exchange Database后，增加副本时，出现如下故障，重新载数据库后，仍提示复

新装建exchange Database后，增加副本时，出现如下故障，重新载数据库后，仍提示复制状态失败。［原因分析］在之前为database03创建副本时，出现个邮箱服务器数据库不能超过5个，超过后需要激活，而我做了对exchange服务器激活操作后，提示过需要在重启后方可正常生效，重启存储该副本的服务器后，该数据库显示被正常加载。本文转自wangtingdong 51CTO博客，原...

文章 2022-02-15 来自：开发者社区

数据一致性-分区可用性-性能—多副本强同步数据库系统实现之我见

本文将跳出任何一种数据库，从原理的角度上来分析下面的几个问题：问题一：数据一致性。在不使用共享存储的情况下，传统RDBMS（例如：Oracle/MySQL/PostgreSQL等），能否做到在主库出问题时的数据零丢失。问题二：分区可用性。有多个副本的数据库，怎么在出现各种问题时保证系统的持续可用？问题三：性能。不使用共享存储的RDBMS，为了保证多个副本间的数据一致性，是否会损...

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更新时间 2024-08-31 09:12:08

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