mysql multi master replication

connections may also have firewalls blocking remote connection failures加入对应mysql端口的 允许-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT结果：[[emailprotected] /]# vi /etc/sysconfig/iptables // 打开防火墙配置# Firewall configuration written by system-config-firewall# Manual customization of this file is not recommended.*filter:INPUT ACCEPT [0:0]:FORWARD ACCEPT [0:0]:OUTPUT ACCEPT [0:0]-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT-A

MySQL master-slave Replication The principle of MySQL master-slave replication is the same as that of MySQL master-slave

, it reads only the contents of master.info, not the option values in MY.CNF.To use different option values, you can either remove Master.info and restart Slave, or use the change MASTER to statement (recommended) to reset option values.4. Start a thread from the serverCopy CodeThe code is as follows: Mysqld_safe–user=mysql–skip-slave-start (start MySQL server b

Click the link to join the group "Dubbo Technology 2 Group": Https://jq.qq.com/?_wv=1027k=46DcDFIFirst, the environmentOperating system: Centos-6.6-x86_64-bin-dvd1.isoJDK version: jdk1.7.0_45Mycat version: mycat-server-1.4-release-20151019230038-linux.tar.gzMYCAT node ip:192.168.1.203 host name: EDU-MYCAT-01 Host Configuration: 4-core CPU, 4G memoryMySQL version: mysql-5.6.26.tar.gzMaster Node ip:192.168.1.205 hostname: EDU-

Detailed description of mysql master-slave replication settings in centos BitsCN.com Installation environment: centos 5.4Mysql version: mysql 5.1.xx is directly installed using rpmRequired software: xtrabackup 1.2.22 directly installed with rpm1. Master:/etc/my. cnf [Mysqld]

A master-slave MySQL replication configuration case where the environment is 111.111.111.110 and the slave database is 111.111.111.111. A master-slave MySQL replication configuration case where the environment is 111.111.111.110 a

Mysql multi-master unidirectional -- amp; gt; ring synchronization bitsCN.com Principle:MySQL Replication is a master-slave synchronization solution for multiple MySQL databases. it features asynchronization and is widely used in

Tags: keepalived mysql master master lA Brief introductionKeepalived+lvs+mysql Primary master replication is a more common MySQL high-availability scenario where LVS provides read load

Label:Directory: MySQL master-slave synchronization definition Master-Slave synchronization mechanism Configuring Master-Slave synchronization Configuring the primary server Configure the slave server Use master-slave synchronization to back up Use Mysqldump to back up Back

Recently, when I deployed The MySQL master-slave replication architecture, I encountered "Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for

A scene demandMulti-source replication version 5.7, target host 5.6.21Some databases of 4 DB machines require a data summary for a linked table queryTwo to build1 export the corresponding destination libraryMysqldump-uuser-ppassword--master-data=2--single-transaction--databases--add-drop-database dbname >dbname.sql2 Import the corresponding destination library to the mu