mysql mmm

Tags: Microsoft server style Color Black(3) installation configuration mysql-mmmThe Perl module (all servers) required to install MMM in DB1, DB2, DB3 executes the script, and then yum-y install mysql-mmm-agent to mount MMM:# RPM-IVH http://dl.fedoraproject.org/pub/epel/6/x8

MySQL semi-synchronous replication + MMM architecture, mysql synchronous mmm ArchitectureIntroduction The previous article introduced the implementation method of the MMM architecture, but the replication of the MMM solution in th

An error is reported when a mysql-mmm environment is set up, and a mysql-mmm environment is reported. The following information is displayed when mmm_contorl show is executed after monitor is started. ERROR: Can't connect to monitor daemon! Solution: Modify configuration file Set debug = 0 Change Debug = 1 Then

I. Description of requirementsRecently has been learning mysql-mmm, want to later this architecture can also be used in our company's business, our company's business is a single-machine multi-instance deployment, so also want to mysql-mmm deployment into this, Kung fu is not a conscientious, I succeeded, and everyone

Tags: monitoring not Lin Source working principle format authorization Login policy technologyBrief introductionMMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and manage MySQL Master-master

MMM high-availability MySQL service cluster Solution Introduction to MMM high availability solutions MMM (Master-Master Replication Manager for MySQL) Master Replication Manager is a scalable script program that provides monitoring, failover, and management of

1 install mysql See http://www.jb51.net/article/47094.htm 2. Basic configuration of master 1 3. Create usersGrant replication client on *. * TO 'mmm _ monitor' @ '% 'identified BY 'mmm _ monitor ';Grant super, replication client, process on *. * TO 'mmm _ agent' @ '% 'identified BY '

1 Install MySQL Please refer to http://www.jb51.net/article/47094.htm 2. Basic Configuration of Master 1 3. Create UsersGRANT REPLICATION CLIENT on *.* to ' mmm_monitor ' @ '% ' identified by ' mmm_monitor ';GRANT SUPER, REPLICATION CLIENT, PROCESS on *.* to ' mmm_agent ' @ '% ' identified by ' mmm_agent ';GRANT REPLICATION SLAVE on *.* to ' repl ' @ ' 10.88.49.% ' identified by ' repl ';Grant Insert,create,delete,update,select on *.* to ' tim ' @

The most basic MMM installation must require at least 2 database servers and a monitoring server the MySQL cluster environment to be configured contains four database servers and a monitoring server, as follows: function IP hostname Server ID Monitoring host 192.168.0.10 Mon - Master 1 192.168.0.11 Db1 1 Master 2 192.1

Mysqlproxy and mysql-mmm test environment for read/write Splitting: mysqlA: 192.168.128.6mastermysqlB: 192.168.128.7mastermysqlproxy + mysql-mmm: 192.168.128.5 database write operation: 192. Mysqlproxy and mysql-mmm test environme

1.MYSQL-MMM OverviewMMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and manage MySQL Master-master (

Brief introductionMMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and manage MySQL Master-master (dual master) replication, although it is called dual master replication, but only one master

Tags: init Microsoft Reader Sage PDF Monitor Help DB2 switchKING01 and king02 are mainly from each other, king03 as king01 slaveKING01,KING02,KING03 installation Mmm_agent[Email protected] ~]# CD/USR/LOCAL/SRC[Email protected] src]# RPM-IVH epel-release-6-8.noarch.rpm[Email protected] ~]# yum-y install mysql-mmm-agent[Email protected] ~]# Rpm-qa | grep mysql-

Background: The mysql synchronization replication function (see the previous article http: blogcsdnnetkingofworldarticledetails39210937) is only a dual-host hot standby function and cannot automatically switch Mysql connections. The configuration of the real mysql Cluster, making in the background: the mysql synchroniz

specified End expire_logs_days = 10max_binlog_size = 100mlog_slave_updates = 1 B. Add the log directory under/opt/mysqlcd /opt/mysqlmkdir logchown mysql:mysql log D. Restart MySQLsystemctl restart mysql E. Check if the configuration is successful1) log in to MySQL and perform the show master status to see if the output is as follows+ —————— + ———-+ ———— –+ —————— + ——————-+| File |

Tags: mysql high availabilityThe MMM high-availability MySQL program is a well-developed MySQL high-availability cluster solution written in Perl, based on MySQL master-slave replication, with a Management side (monitor) and multiple agent-side (agent) components. Through

Label:This article comes from my GitHub pages blog http://galengao.github.io/ie www.gaohuirong.cn MMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and manage

I. Requirement Description I have been learning mysql-mmm recently. I think this architecture can be used in our company's business in the future. Our company's business is single-host, multi-instance deployment, therefore, I want to deploy mysql-mmm in this way. I. Requirement Description I have been learning

)Change Master to master_host= ' 192.168.31.3 ', master_user= ' mmm_slave ', master_password= ' 123456 ', master_log_file= ' Mysql-bin.000001 ', master_log_pos=312;Start slave;Five configuration M1 and slave1 master-slaveSLAVE1 configuration file[Mysqld]Server-id =3Innodb_file_per_table=1Log-bin=/data/mysql/mysql-bin.logBinlog_format = ROWReplicate-do-db=mmm_test

Why to use MySQL high availability cluster In the actual production environment, when the normal MySQL master-slave replication and read/write separation can not meet the actual requirements, it is necessary to consider the MySQL high-availability cluster, for security reasons, when the data access is too large to bring the primary server load, when the