SQL server高可用性复制的相关内容

文章 2022-05-24 来自：开发者社区

SQL Server 高可用性（七）复制

一、复制的拓扑二、复制的冲突处理　　在执行复制时，源数据库与目标数据库都是敞开式的，因此在写入记录时可能发生冲突。为解决冲突，常用的方法有以下两种：合并复制　　合并复制允许存在冲突。当冲突发生时，合并复制将比较这些记录的时间戳，仅保留最新的记录（时间戳最后的那条记录）。专用的写入区　　一种方式是将read请求随机发送给任意一个数据库，而将write指定只写入发布服务器。　　另一种方式是设置专用的....

文章 2017-12-21 来自：开发者社区

SQL Server中的高可用性（3）----复制

在本系列文章的前两篇对高可用性的意义和单实例下的高可用性做了阐述。但是当随着数据量的增长，以及对RTO和RPO要求的严格，单实例已经无法满足HA/DR方面的要求，因此需要做多实例的高可用性。本文着重对SQL Server的复制进行阐述。复制? 复制起初并不是用于作为高可用性功能而设计的，实际上复制的概念就像其名称一样，用于复制数...

共有2条

< 1 >

跳转至： GO

更新时间 2022-10-31 13:45:45

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

SQL高可用性相关内容

SQL您可能感兴趣

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","link1":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","link":"https://www.aliyun.com/product/rds/sqlserver","icon":"https://img.alicdn.com/tfs/TB1kuYmv3mTBuNjy1XbXXaMrVXa-200-200.png","btn2":"2016 标准版","tip":"完美兼容windows操作系统，已通过ISO 20000、SOC、PCI-DSS、等保三级等十项安全合规认证。         最新产品和实时动态重磅发布<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"2016 Web版","link2":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-shanghai%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_std_ha%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x4.medium.s2%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","title":"云数据库RDS SQL Server版"}],"search":[{"txt":"SQL Server Web版","link":"https://promotion.aliyun.com/ntms/act/sqlserverweb.html"},{"txt":"SQL Server 标准版/企业版","link":"https://promotion.aliyun.com/ntms/act/sqlservergaokeyong.html"},{"txt":"快速入门SQL Server","link":"https://help.aliyun.com/document_detail/26141.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rds/sqlserver","title":"云数据库 RDS SQL Server 版","des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","btn1":"产品详情","link1":"https://www.aliyun.com/product/rds/sqlserver","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","link3":"https://www.aliyun.com/core/online-consult?from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户年付低至3折起","firstContentLink":"https://www.aliyun.com/activity/database/bestoffers","lastContentName":"2核4GB 299元/年","lastContentLink":"https://rdsbuy.console.aliyun.com/newCreate/rds/mssql?initData={\"data\":{\"rds_dbtype\":\"\tmssql\",\"rds_dbversion\":\"2022_web\",\"rds_web_type\":\"1\",\"rds_class\":\"mssql.share2.medium.w1\",\"rds_storage\":\"100\",\"rds_nodetype\":\"Basic\",\"duration\":12,\"rds_storagetype\":\"cloud_auto\",\"rds_arch\":\"X86\"}}"}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"入门指南","lastContentLink":"https://help.aliyun.com/document_detail/53729.htm"}},{"infoName":"产品动态","infoContent":{"firstContentName":"存储能力全方位升级","firstContentLink":"https://www.aliyun.com/activity/database/rds-storage-upgrade","lastContentLink":"https://help.aliyun.com/zh/rds/bi-monthly-product-report-for-apsaradb-rds-september-october-2025-2","lastContentName":"RDS 产品双月报"}},{"infoName":"客户案例","infoContent":{"firstContentName":"RDS 助力巴黎奥运会系统稳定运行","firstContentLink":"https://help.aliyun.com/zh/rds/apsaradb-rds-for-sql-server/apsaradb-rds-helps-ensure-the-stability-of-the-system-of-the-paris-olympic-games","lastContentName":"","lastContentLink":""}}],"icon":"","ifIcon":"img","iconImg":"https://img.alicdn.com/tfs/TB1FIpvn3gP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/rds/sqlserver"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","link1":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","link":"https://www.aliyun.com/product/rds/sqlserver","icon":"https://img.alicdn.com/tfs/TB1kuYmv3mTBuNjy1XbXXaMrVXa-200-200.png","btn2":"2016 标准版","tip":"完美兼容windows操作系统，已通过ISO 20000、SOC、PCI-DSS、等保三级等十项安全合规认证。         最新产品和实时动态重磅发布<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"2016 Web版","link2":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-shanghai%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_std_ha%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x4.medium.s2%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","title":"云数据库RDS SQL Server版"}],"search":[{"txt":"SQL Server Web版","link":"https://promotion.aliyun.com/ntms/act/sqlserverweb.html"},{"txt":"SQL Server 标准版/企业版","link":"https://promotion.aliyun.com/ntms/act/sqlservergaokeyong.html"},{"txt":"快速入门SQL Server","link":"https://help.aliyun.com/document_detail/26141.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rds/sqlserver","title":"云数据库 RDS SQL Server 版","des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","btn1":"产品详情","link1":"https://www.aliyun.com/product/rds/sqlserver","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","link3":"https://www.aliyun.com/core/online-consult?from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户年付低至3折起","firstContentLink":"https://www.aliyun.com/activity/database/bestoffers","lastContentName":"2核4GB 299元/年","lastContentLink":"https://rdsbuy.console.aliyun.com/newCreate/rds/mssql?initData={\"data\":{\"rds_dbtype\":\"\tmssql\",\"rds_dbversion\":\"2022_web\",\"rds_web_type\":\"1\",\"rds_class\":\"mssql.share2.medium.w1\",\"rds_storage\":\"100\",\"rds_nodetype\":\"Basic\",\"duration\":12,\"rds_storagetype\":\"cloud_auto\",\"rds_arch\":\"X86\"}}"}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"入门指南","lastContentLink":"https://help.aliyun.com/document_detail/53729.htm"}},{"infoName":"产品动态","infoContent":{"firstContentName":"存储能力全方位升级","firstContentLink":"https://www.aliyun.com/activity/database/rds-storage-upgrade","lastContentLink":"https://help.aliyun.com/zh/rds/bi-monthly-product-report-for-apsaradb-rds-september-october-2025-2","lastContentName":"RDS 产品双月报"}},{"infoName":"客户案例","infoContent":{"firstContentName":"RDS 助力巴黎奥运会系统稳定运行","firstContentLink":"https://help.aliyun.com/zh/rds/apsaradb-rds-for-sql-server/apsaradb-rds-helps-ensure-the-stability-of-the-system-of-the-paris-olympic-games","lastContentName":"","lastContentLink":""}}],"icon":"","ifIcon":"img","iconImg":"https://img.alicdn.com/tfs/TB1FIpvn3gP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/rds/sqlserver"}]}}

云数据库 RDS SQL Server 版

云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

产品详情

管理控制台

在线咨询