mysql multi master replication

The benefits of using MySQL master-slave replication are: 1, the use of the master-slave server architecture, stability can be improved. If the primary server fails, we can use the server to provide services;2, in the master and slave server separately processing user's req

1, the principle of master-slave replication:*master, record data change operations- Enable Binlog logging mode- allow Slave to read binlog logs*slave running 2 simultaneous threads-Slave_io: Responsible for connecting Master, copy its binlog log file to the Relay-log file of the machine-Slave_sql: Executes the SQL sta

Tags: enable check copy name EFI medium Show pass HostTypes of replication supported by MySQL:1) statement-based replication. Executes the SQL statement on the primary server, executing the same statement from the server. MySQL default to use statement-based replication, hig

[email protected] '% ' identified by ' amoeba123 '; All that is written here is to have permissions on all libraries (all libraries will be loaded automatically) .the library name of the above configuration file, test. Based on this statement. If it is all, test it directly with the write test. A little easier.(2) One primary one from the load notation one:the Lord writes only. (the primary balanced load configuration)from read-only. (from the Balanced load configuration) (3) a

Label:First, preface: Why does MySQL want to master from copy (read-write separation)?In layman's terms, the performance of a business system degrades if both the read and write of the database are operated on the same database server.In order to improve the performance of the business system and optimize the user experience, it is possible to reduce the load of the primary database by the

Tags: http os io strong file data Art ARMySQL Replication (replication) is an asynchronous replication that replicates from one MySQL instance (Master) to another MySQL instance (Slave). Implementing the entire

statement,row,mixed3, where mixed refers to the first two hybrid row: Generally, it's better to have a row with row Statement: When a statement is made for each row of the database, many rows that are reflected on the disk have changed, which is appropriate for the statement format A mixed format supported by the Mixed:2 form Restart MySQLShow Master status;//See if Master is already acting as the

conflicts between updates to tables on the primary server and updates made to tables on the server. # # 2 Replication solved the problem # # MySQL replication technology has some of the following features: (1) Data distribution (distribution)(2) Load balancing (load Balancing)(3) Backup (Backups)(4) High-availability and fault-tolerant lines of availability and

; CREATE DATABASE test1 default character set ' UTF8 ';Mysql> CREATE DATABASE test2 default character set ' UTF8 ';Mysql> CREATE DATABASE test3 default character set ' UTF8 '; The above steps are a specific procedure for creating a/b two-way database, with the following configuration of the primary master replica