MySQL Enterprise Edition The most comprehensive set of advanced features, management tools and technical support to achieve the highest levels of MySQL scalability, security, reliability, and uptime. Learn More
立马就看到确实是双网卡,我们压测用的是em3,还有另外一个网络接口 vlan2 : 然后再确认下带宽:ethtool {dev_name} |grep Speed。em3 是千兆带宽,压测时 124MB/s 的流量已经打满了: 所以在sysbench压测时换成 vlan2 万兆网络接口后(即修改 --mysql-host=10.0.xx.104),轻松到1万。如果实在没有万兆网卡怎么...
运行对应数据库的最新定义文件,位置在dolphinscheduler/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_*.sql。例如你是 MySQL ,运行dolphinscheduler/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql,是 PostgreSQL 则运行dolphinscheduler/dolphinscheduler-dao/src/main/resources/sql/dolphin...
整个目录move到自己希望的地方,例如移动到d:mysql 之后,需要编辑 d:mysqlmy-examp le.cnf (*.cnf的文件在Windows 2000中会被注册成为 SpeedDial文件,在资源管理器中 无法操作,要用命令行来启动notepad编辑,例如运行notepadd:mysqlmy-example.cnf , 但是这个文件是UNIX系统下的文本文件格式,在notepad中不能正确换行...
MySQL’s connectivity, speed, and security make it highly suited for accessing databases on the internet. MySQL’s key benefits include the following: Ease of use. Developers can install MySQL in minutes, and the database is easy to manage. Reliability. MySQL is one of the most mature and...
The two things that impress me are the work on the InnoDB storage engine and the DLL locking. Most of the other new features are minor (technically) adjustments even if the results, like with the windows speed improvement, can be impressive. As a technical person I have a hard time gettin...
5.6 or later only. Earlier versions of MySQL Server do not support connection attributes, causing this configuration option to be ignored. Setting "connectionAttributes=none" will cause connection attribute processing to be bypassed for situations where Connection creation/initialization speed is critical....
This will fix 1 sqllogictest.2329: expression.Div Micro Benchmarks There are going to be changes to our division behavior that impact both its accuracy and speed. This PR adds benchmarks to track the runtime improvements/degradations2327...
咨询了做 DBA 的老同事,他将 gh-ost 推荐给我,基于 golang 语言,是github开源的一个 DDL 工具,gh-ost 是 gitHub,s Online Schema Transmogrifier/Transfigurator/Transformer/Thingy 的缩写,意思是 GitHub 的在线表定义转换器。 === 分割线之间内容摘自网络 === gh-ost 有如下特点: 无触发...
Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient code overall) Easier to manage output (separate files for tables, dump metadata, etc, easy to view/parse data) Consistency - maintains snapshot across all threads, provides accurate master and ...