阿里云
>
sql
>
sql中间件
sql中间件
解Bug之路-
中间件
"
SQL
重复执行
那肯定是
中间件
日志打印的问题了,笔者很快就想通了其中的关窍,我们
中间件
有个对同样
sql
缓存其路由节点结构体的功能(这样下一次同样
sql
就不必解析,降低了CPU),而
sql
ID信息正好也在那个路由节点结构体里面。如下图所示:这个缓存功能感觉没...
解Bug之路-
中间件
"
SQL
重复执行
那肯定是
中间件
日志打印的问题了,笔者很快就想通了其中的关窍,我们
中间件
有个对同样
sql
缓存其路由节点结构体的功能(这样下一次同样
sql
就不必解析,降低了CPU),而
sql
ID信息正好也在那个路由节点结构体里面。如下图所示:这个缓存功能感觉没...
MySQL
中间件
方案盘点
我比较喜欢它的一个原因是因为开源,而且源代码是Java.oneproxy 这是前支付宝的架构师楼总开发,目前支持多
中
数据库,基于MySQL官方 的proxy思想利用c进行开发的,OneProxy是一款商业收费的
中间件
,专注在性能和稳定性上,是商业付费的。...
MySQL
中间件
ProxySQL介绍
mysql_query_rules:包含用于缓存,路由或重写发送到ProxySQL的
SQL
查询的规则 global_variables:包含在服务器初始配置期间定义的MySQL变量和管理变量 debug_levels:仅用于调试ProxySQL的手动构建*在不同层级
间
移动配置信息*为了将配置持久化...
浅谈 Kingshard mysql
中间件
Kingshard mysql
中间件
实现功能:可以实现mysql的分表,以及分表之后的增加,删除,修改,查询等mysql的一系列操作。可以扩展mysql的主从架构,方便mysql架构的分布式扩展。实验测试架构为在两个MASTER上面安装了keepalived和kingshard...
Mysql
中间件
代理 Atlas
本文接上文介绍atlas的安装配置,以及借助keepalive软件实现altas的ha,避免由于atlas故障,导致数据库服务中断的情况出现:一:环境介绍 Atlas 主:192.168.1.12/24 Atlas 从:192.168.1.81/24 Atlas vip:192.168.1.230/24 Atlas write:...
开源分布式MySQL
中间件
探究与应用
在本次沙龙
中
,他带来了《开源分布式MySQL
中间件
探究与应用》这一主题分享。在“分布式MySQL
中间件
选择”的问题上,李季鹏表示不建议直接把数据切分作为首选项,也不必一味追求功能齐全的重量级产品。分享概览 数据库
中间件
的介绍及引入 ...
mysql
中间件
kingshard安装
log_path:/Users/flike/log#
sql
黑名单文件路径#所有在该文件
中
的
sql
都会被kingshard拒绝转发#blacklist_
sql
_file:/Users/flike/blacklist#只允许下面的IP列表连接kingshard,如果不配置则对连接kingshard的IP不做限制。allow_ips:127.0.0.1...
nodejs 使用node-mysql
中间件
的普通连接与连接池连接哪个好
nodejs 使用node-mysql
中间件
的普通连接与连接池连接哪个好?或者各有什么异同
阿里云DRDS-MySQL
中间件
总结分享
与单机数据库不同的是,DRDS 将数据拆分逻辑加入到了
SQL
优化和执行过程
中
,与其他分布式数据库不同的是,在面向 OLTP 场景时,DRDS 着重关注因分布式而带来的代价,提供了包括自定义数据拆分、算子 move-arround 和 pushdown、join 和 ...
1
2
3
4
5
>
您可能感兴趣
.
sql转换
.
sql变量
.
sql分页
.
sql删除
.
sql子查询
.
sql基础
.
sql更新
.
sql字符串
{"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
立即查看
","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?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户购1年享2折优惠","firstContentLink":"https://rds-buy.aliyun.com/nextBuy#/create/rds/mssql?initData=%7B%22data%22:%7B%22rds_activityId%22:%221410531233070447%22,%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_nodetype%22:%22Basic%22,%22rds_web_type%22:%221%22,%22rds_storagetype%22:%22cloud_essd%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%22100%22,%22duration%22:12%7D%7D","lastContentName":"数据库专场优惠","lastContentLink":"https://www.aliyun.com/database/dbfirstbuy"}},{"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":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"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
立即查看
","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?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户购1年享2折优惠","firstContentLink":"https://rds-buy.aliyun.com/nextBuy#/create/rds/mssql?initData=%7B%22data%22:%7B%22rds_activityId%22:%221410531233070447%22,%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_nodetype%22:%22Basic%22,%22rds_web_type%22:%221%22,%22rds_storagetype%22:%22cloud_essd%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%22100%22,%22duration%22:12%7D%7D","lastContentName":"数据库专场优惠","lastContentLink":"https://www.aliyun.com/database/dbfirstbuy"}},{"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":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"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
最新活动
新用户购1年享2折优惠
数据库专场优惠
快速入门
帮助文档
入门指南
最佳实践
基于HBR云上统一备份
数据库客户案例合集
产品推荐
数据管理DMS
数据库备份DBS
{"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
立即查看
","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?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户购1年享2折优惠","firstContentLink":"https://rds-buy.aliyun.com/nextBuy#/create/rds/mssql?initData=%7B%22data%22:%7B%22rds_activityId%22:%221410531233070447%22,%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_nodetype%22:%22Basic%22,%22rds_web_type%22:%221%22,%22rds_storagetype%22:%22cloud_essd%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%22100%22,%22duration%22:12%7D%7D","lastContentName":"数据库专场优惠","lastContentLink":"https://www.aliyun.com/database/dbfirstbuy"}},{"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":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"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
立即查看
","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?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"新用户购1年享2折优惠","firstContentLink":"https://rds-buy.aliyun.com/nextBuy#/create/rds/mssql?initData=%7B%22data%22:%7B%22rds_activityId%22:%221410531233070447%22,%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_nodetype%22:%22Basic%22,%22rds_web_type%22:%221%22,%22rds_storagetype%22:%22cloud_essd%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%22100%22,%22duration%22:12%7D%7D","lastContentName":"数据库专场优惠","lastContentLink":"https://www.aliyun.com/database/dbfirstbuy"}},{"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":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"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
最新活动
新用户购1年享2折优惠
数据库专场优惠
快速入门
帮助文档
入门指南
最佳实践
基于HBR云上统一备份
数据库客户案例合集
产品推荐
数据管理DMS
数据库备份DBS