mysql replication tools

Back-end distributed series: distributed storage-two-way synchronous replication of MySQL Databases The last article on MySQL replication focuses on the design points and constraints of the two-way synchronous replication architecture.Problems and restrictions Database dual

Back-end distributed series: distributed storage-two-way synchronous replication of MySQL DatabasesThe last article on MySQL replication focuses on the design points and constraints of the two-way synchronous replication architecture. The dual-master, dual-write, and bidirec

New Features of MySQL 8.0.2 replication (translation), mysql8.0.2 Translator: zhishutang xingyao teamNew Features of MySQL 8.0.2 Replication MySQL 8 is becoming better and better, and this has caused a boom in our MySQL

Tags: complex simple set hot standby different must perform director localMySQL replication and MySQL read and write separation is never a simple topic, today I will be detailed to record my study of MySQL.MySQL day to type are: binary log, transaction log, error log, general query log, relay log, slow query log.Binary log is generally placed in the data directory, the general file is called

Warning information about UUID in MySQL master-slave replication: February 1, May 23, 2014 Blog: tie Recently, many warning messages are displayed when you view the error log of the MariaDB Master-Slave replication server Master. they indicate that the UUID () function is insecure, and the Slave value may be different from that of the Master, the warning informa

I. Tutorial purpose: Mysql also supports semi-synchronous replication in master-slave replication. mysql replication is asynchronous because of poor synchronization performance. After the master database distributes events, you must wait until the slave database completes co

Mysql Replication is an asynchronous Replication process (Mysql 5.1.7 or later versions are divided into two modes: asynchronous Replication and semi-synchronization), from the Master to another Slave. The entire replication proce

mater be written to the Slave relay-log through the I/O process.Auto_increment_increment defines the step of the next AUTO_INCREMENTAuto_increment_offset defines the starting value of AUTO_INCREMENT. Authorize the user [Grant at least the FILE, SELECT, and replication slave permissions]A: Allow B to synchronize data with A through the repl2 accountMysql> grant replication client on *. * to 'repl2' @ 'B _ i

1. Replication ProcessMySQL replication is an asynchronous replication, from one MySQL instace (called Master) to another MySQL instance (called slave ). The entire replication operation is completed by three processes, two of whi

How to install MySQL database, do not say here, just say its master-slave copy, the steps are as follows:1, the master-slave server for the following actions：1.1. Consistent version1.2. Initialize the table and start MySQL in the background1.3, change the root password2. Modify master server Master:#vi/etc/my.cnf[Mysqld]Log-bin=mysql-bin//[must] enable binary log

Limodou in Soundbreak we play live audio and video 24 hours a day, so we cannot make a convincing test of the new replication feature of MySQL. Through the test, we found that we can use this feature to maintain data synchronization with the backup database server. in this way, when the master server is a source author: Michael Tanoviceanu In Soundbreak, we play live audio and video continuously 24 hours

Starting with MySQL5.5, MySQL supports semi-synchronous replication in the form of plugins. How to understand the semi-synchronous? First, let's look at the asynchronous, fully synchronous concept.Asynchronous replication (asynchronous replication)MySQL default

CentOS6.4 system MySQL master-slave replication basic configuration tutorial For MySQL databases for general purposes, master-slave replication can be used to back up data (if you want to enable automatic slave nodes to take over after the master node fails, you need more complex configurations, if a hardware fault occ

Tags: service where copy user creat limit key Create MysReplication of tables　　Full replication: CREATE TABLE New_service select * from service; Partial copy: Create TABLE User (host char, user char (+)) Select Host,user from mysql.user where restriction condition; or create table t3 (x char, y char) select name as x, user as y from TableName; 　　　　　　　P.S. If CREATE table t3 (x char, y char) select name, user from TableName; ———— establishes name,user

Mysql master-slave replication technology (TEST) to start configuration: www.2cto.com Step 1: Create a replication account. Each slave uses the standard MySQL user name and password to connect to the master. The user who performs the copy operation will grantREPLICATIONSLAVE permission. The username and password are st

I. minimal installation of centos II. after the virtual machine is installed, iptables is automatically enabled and chkconfig iptables is permanently disabled. set static IP address for later shell connection, mysql master server 192.168.1.41, from the server 192.168.1.42; 1.vi/etc/sysconfig/network-scripts/ifcfg-eth0 (depending on the Virtual Machine Nic, here, eth0 may also be eth1, eth2) DEVICE = eth0 BOOTPROTO = static HWADDR = 00: 26: 18: 0B: 38:

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 (Master-slave) practice, mysqlmaster-Slave The master-slave replication function provided by the MySQL database can easily implement multiple automatic data backups and expand the database. Multiple data backups not only enhance data security, but also further improve database load perfor

Inconsistency of master-slave replication data in MySQL In the master-slave replication architecture, the default replication method of mysql5.6 is SBR (SQL statement-based replication ), if the context of the Master/Slave database is inconsistent (for example, the time is d