mysql replication status

9 14:11:25 192.168.1.11 keepalived_vrrp[7457 ]: Vrrp_instance (vi_1) sending gratuitous ARPs on eth0 for 192.168.1.100Sep 9 14:11:25 192.168.1.11 keepalived_health CHECKERS[7456]: NetLink Reflector reports IP 192.168.1.100 addedsep 9 14:11:25 192.168.1.11 avahi-daemon[1407]: Registering new address record for 192.168.1.100 on eth0. Ipv4.sep 9 14:11:30 192.168.1.11 keepalived_vrrp[7457]: vrrp_instance (vi_1) sending gratuitous ARPs on eth0 for 192.1 68.1.100Check the LVS cluster

replication, read and write separation, load-balanced high-availability MySQL architecture. Experimental architecture diagram:System environment: Host Operating System IP Address Package Amoeba Server CentOS 7.0 x86_64 192.168.100.4 Jdk-6u14-linux-x64.bin, amoeba-mysql-binary-2.2.0.tar.gz

1. MY.CNF Configuration Modify the my.cnf file, enable binary logging, and set Server-id as unique number, do not follow slave repeat [Mysqld]Log-bin=mysql-binServer-id=1NOTICE:For good consistency, you can set up innodb_flush_log_at_trx_commit=1 and sync_binlog=1, but there is a certain performance impact. 2. Create a dedicated account mainly from Each connection from the server to the primary server uses the

1. Keepalived43; lvs43; master-master replication of mysql is a common Mysql high-availability solution. lvs provides read load balancing and Keepalived implements automatic failover through virtual vip drift, although Mysql is configured to master-master replication, it gen

recovery from library Master-Slave replication-the principle of asynchronous replicationThe principle of semi-synchronous replication:Parallel Replication MySQL parallel replication New in Community edition 5.6 Parallel refers to the multi-threaded from library apply Binlog Library level pa

MySQL replication (1) bitsCN.com Compared with small sites, database administrators of large sites must do the following in advance: Provides a recovery plan for core business data in the event of a disaster. Theoretically, this process must be executed at least once. Provides optimization plans by collecting a large amount of user data and monitoring the load on each node of the website Rapid horizonta

; // displays the status of slave.From the output result, if Slave_IO_Running and Slave_ SQL _Running are both Yes, the configuration is successful.Add multiple slave databases online:Principle: If the slave database is directly added to the master database, the mysql service will be stopped to lock the table, thus affecting the normal workflow,Therefore, online addition of slave databases can achieve datab

the backup mysql on slave -- host = slave-1 In fact, the mysqldump Command provides the master_data option to automatically dump MASTER_LOG_FILE and MASTER_LOG_POS information to backup. SQL. In addition, flush tables with read lock is not secure for InnoDB, because although the table will be locked and no new transactions will be generated, there are still some activities in the background to continue. Therefore, the following method can be us

MySQL built-in replication function is used to optimize Availability MySQL built-in replication function to optimize availability. in Soundbreak, we play live audio and video continuously 24 hours a day, so for MySQL's new replication feature, we cannot make convincing tests

, only need to change vim/etc/my.cnf. 　　Configuration of Master: vim/etc/my.cnf log-bin=mysql-bin #新增 server-id=1 #新增 after the configuration is complete, restart MySQL, and then execute the following command: master:mysql> grant replication Slave on * * to ' root ' @ '% ' identified by ' 123456 '; then perform show master