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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

About MMMMMM (MySQL master replication Manager) is a set of scripting programs that support dual-master failover and dual-master daily management. Mainly used to monitor and manage MySQL Master-master (dual master) replication, although it is called

Resolve MySQL Master never syncToday, MySQL's master and slave databases are not synchronized.First on the Master library:Mysql>show processlist; See if the next process is too much sleep. Found to be normal.Show master status; also normal.Mysql>

mysqldump It is recommended to use data below 10g for backup, which is a logical backup of MySQL databasemysqldump instruction-A all tables-all-databases-b--databases db1 DB2 ...: Back up the specified libraries while creating the library (cannot be

Dual Master one from the architecture, from the server locally, for backup and development testing. Two online servers synchronize the database, ensure data consistency, and use xtrabackup Backup database + script to back up to the slave server 1

Now the two servers used have installed MySQL, all in rpm packaging, can be used normally.In order to avoid unnecessary trouble, master and slave server MySQL version as far as possible to keep consistent;Environment: 192.168.0.1 (Master)192.168.0.2

Python file operation one, the basic process of file operationThe computer system is divided into three parts: the hardware, the operating system and the application.We write applications in Python or other languages, if we want to save the data

Directory1. Introduction of test environment2. Backup strategy3. Backup4. Disaster recovery5. Summary1. Introduction of Test ringMysql> select version (); +------------+| version ()   |+------------+| 5.5.36- log |+------------+mysql> show databases;

1, the MySQL database does not have an incremental backup mechanism, when the amount of data is too large backup is a big problem. Fortunately, the MySQL database provides a master-slave backup mechanism, which is to write all the data in the

1.1 Environment Construction Prepare two Windows NT hosts, install Ikey Server Windows version, make sure the version is correct, ensure the MySQL service starts properly, make sure that the two hosts are in the same LAN, determine which one is the

Today found MySQL's master-slave database is not synchronized first the Master library： Mysql>show processlist; Check to see if the process is too much sleep. Found to be normal. Show master status; is normal. Mysql> Show master status; +-----------

1. MySQL database does not have the mechanism of incremental backup, when the amount of data is too large to backup is a big problem. Fortunately, the MySQL database provides a master-slave backup mechanism, which is to write all the data in the

first on the master library：Mysql>show processlist; See if the next process is too much sleep. Found to be normal.Show master status; also normal.Mysql> Show master status;+-------------------+----------+--------------+-------------------------------

Today, MySQL's master and slave databases are not synchronized.first on the master library：Mysql>show processlist; See if the next process is too much sleep. Found to be normal.Show master status; also normal.Mysql> Show master status;+--------------

Now the two servers used have installed MySQL, all in rpm packaging, can be used normally.In order to avoid unnecessary trouble, master and slave server MySQL version as far as possible to keep consistent;Environment: 192.168.0.1 (Master)192.168.0.2

MySQL master-Slave installation configurationEnvironment:MySQL database version on the master and slave server is the same as 5.1.34Host ip:192.168.0.1Slave machine ip:192.168.0.2I. MySQL master server configuration1. Edit the configuration file/etc/

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/49/A7/wKioL1QX1QTybsV8AABAsFd9QfY119.jpg "title=" Selection _ 062.png "alt=" Wkiol1qx1qtybsv8aabasfd9qfy119.jpg "/>1. Create a database for testing synchronization;Mysql> CREATE DATABASE

Mysql-mmm High Availability MMM introductionMMM (Master-master Replication Manager for Mysql,mysql primary master Replication Manager) is a set of scripting programs that support dual-master failover and dual-master daily management. This set of

The ultimate goal of replication is to keep the data of one server in sync with the data of another server, which has reached data redundancy or service load balancing. A primary server can connect to multiple slave servers, and from the server it

Resolve MySQL Master never syncToday, MySQL's master and slave databases are not synchronized.First on the Master library:Mysql>show processlist; See if the next process is too much sleep. Found to be normal.Show master status; also normal.Mysql>