Label:13th. The extensible design of MySQL Replication Objective: MySQL Replication is a very distinctive feature of MySQL, and he is able to copy the data from one MySQL server Instance to the Instance of another
Practice Process:
Install 3 MySQL (S1,S2,S3) on a single server
Configure S1, start Group Replication
Configure S2, add to Group
Configure S3, add to Group
Test
The content is long, may not be convenient to actually operate, I also made a PDF version , you can download view, send Message 'gr' will automatically replyDetailed configuration procedures (1) Download
MySQL master-slave replication principle and architecture, mysql master-slave architecture1 copy Overview
The built-in replication function of Mysql is the basis for building large and high-performance applications. This distribution mechanism replicates data from a
One, MySQL GUI Tools
MySQL official provides a visual interface to the MySQL database management console, provides four graphical applications, these graphical management tools can greatly improve database management, backup, migration and query efficiency. They are:
MySQL
The data synchronization function of mysql not only provides load balancing for database queries to a certain extent, but also provides great help for database redundancy, backup, recovery, and load balancing. The data synchronization function can be implemented through master-slave replication, while master-slave replication is performed asynchronously.
1.MySQL High-availability backgroundsThe master-slave replication of a database is a useful feature, but it is difficult to ensure its high availability. Implements MySQL master-slave replication high-availability tools, common are:
(1). MMM: Eliminated, there are some problems in consistency and high concurre
1. IntroductionAs one of the most widely used databases in the world, MySQL is one of the reasons why it is free. But what is not to be overlooked is that its own function is indeed very powerful. With the development of technology, in the actual production environment, the single MySQL database server can not meet the actual demand. At this point the database cluster is a good solution to this problem. Wit
Previously we introduced is the master-slave replication, here to introduce a double master replication, the following are expected to two of the main server data automatically copied, you can refer to this article.The MySQL master replication structure differs from the master-slave
Tags: mysql database replication primary master replication Master-slave replication semi-synchronous replication--------------MySQL to implement the database master-slave replication A
MySQL Semi-synchronous Replication (Semi-synchronous Replication) in enterprise applications, MySQL often uses a master-slave architecture or a master-master architecture to achieve load balancing of MySQL servers, improves the performance of the
The replication latency caused by the mutual blocking of MySQL 5.7 concurrent replication and mysqldump.
The MySQL BINLOG and show processlist commands were originally two transactions that could not be reached by the client. However, in the recent troubleshooting, it was found that there was a serious
IntroductionGtid is a global transaction ID that has been successfully executed based on the original MySQL server, combined with the server ID and transaction ID. This global transaction ID is unique not only on the original server, but also on all MySQL servers where the master-slave relationship exists. It is this feature that makes MySQL master-slave
MySQL replication table structure, mysql replication StructureIntroduction
Sometimes we need to copy the table structure of a table intact to generate a new table. MYSQL provides two convenient methods.
Example:
CREATE TABLE tb_base(id INT NOT NULL PRIMARY KEY,name VARCHAR(
Tags: test error:end systemctl ORM amp Command database outDocker container Master node: 172.17.0.9Docker Container Sub-node: 172.17.0.10Asynchronous replication: First confirm that the main library and from the library is consistent, preferably a clean database that has just been initialized if the main library is in use cannot initialize, it is necessary to first copy the contents of the main library to the library to do synchronization 1, first to
Official website: https://downloads.mysql.com/archives/gui/Available directly after decompression1, MySQLQueryBrowser.exeWhen you start MySQL Query Browser, a dialog box pops up asking you to fill in some basic information about the MySQL server you want to connect to, such as the MySQL server's IP address, port number
First, IntroductionIn the master-slave copy of the previous article: http://www.cnblogs.com/lay2017/p/9043985.htmlWe learned that MySQL writes logs through master, slave reads and executes the log content to achieve slave data consistent with master. So based on this principle, we can realize the replication function of two master.Broadly as follows:1, both master open Log-bin write log2, ID to repeat3. Con
I. OverviewKeep one server's data in sync with other server data. Data from one master library can be synchronized to multiple repositories, and the repository itself can be configured as the main repository for other servers.Main applications:1) Data distribution2) Load Balancing3) Pseudo backup. Add more secure technical supplements based on backup4) High availability and failover. Avoid MySQL single point of failure5) Upgrade test. Before upgrading
later.Confirm the password again.At this point, the master-slave server MySQL installation completedThird, build MySQL master-slave replicationHere is the principle of master-slave replication, is based on the MySQL log files, the main server's MySQL operation log files sen
Tags: start vim global method permissions Gtid_mode allow log serverAB replication: The master server builds a synchronization environment by modifying the MySQL configuration file, enabling the server to synchronize the primary server's database.Note: Both the master and slave servers need to shut down the firewall.Primary server:Modify MySQL configuration file
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