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problem of automatic growth. Assume that A is A database in A production environment. Now I want to add server B to implement the dual-master model. 2. steps: 1. Create an account with the copy permission on server A and server B 2. modify the configuration file (enable binary logs and relay logs) on server A and server B) 3. Import the data files on server A to server B. Note: When importing data, disable the binary log of server B. 4. Let B first
1. View the status of MasterShow master status; Position should not be 0show Processlist; //state status should be have sent all binlog to slave; waiting for Binlog to be updated2. View slave statusshow slave status;//slave_io_running and slave_sql_running states must be Yesshow Processlist;//There should be two rows w
Mysql master-slave replication technology (test) bitsCN.com Mysql master-slave replication technology (test) Start configuration: Step 1: Create a replication account Each slave uses
There are two MySQL database servers: Master and slave. The Master is the Master server. The slave is the slave server. In the initial state, the data information in
Label: In a MySQL replication environment, we usually only judge the latency of the slave based on the value of the seconds_behind_master . This is acceptable in most cases, but is not accurate enough and should be considered for more factors. First, let's look at the state of slave: [Email protected] [(none)]> show slave
Tags: blog space operation data CER 10.10 Specify log backupI. Overview MySQL provides database replication (replication) functionality from the 3.23.15 release, which enables two database synchronization, master-slave mode, and backup mode. This document mainly describes how to use MySQL's replication in Linux system for the configuration of dual-machine hot sta
Mysql master-slave installation configuration environment: the MySQL database version on the master-slave server is 5.1.34 Host IP Address: 192.168.0.1 slave IP Address: 192.168.0.2I.
Connection Amoeba-mysql appears could not create a validated object, Cause:validateobject failedmysql> start slave;ERROR 1872 (HY000): Slave failed to initialize relay log info structure from the repositoryReason: Check my.cnf, originally did not specify relay_log,mysql the Relay_log name generated by default is occupi
Tags: mysql master-slave synchronization 1872 tease brother Automation1, the cause of the error:Today received Zabbix disk alarm, through the du command to find the MySQL directory is too large, found that the relay log does not set the expiration time, so manually remove the relay log from the library, after restartin
MySQL Tutorial master-slave sync failure last_io_error:got fatal Error 1236 from master solution Encountered such errors as: "Last_io_error:got fatal error 1236 from master when reading the data from binary log: ' Could ' is not find ' e name in binary log index file ' ", e
Tags: mysql centosLab Environment:CentOS Release 6.6 (Final) 32-bitmaster:10.10.10.11slave1:10.10.10.7slave2:10.10.10.81) MySQL installation ( run the following order in Master,slave1,slave2, respectively )[Email protected] ~]# yum install mysql-server mysql-y[[email protect
Environment:The MySQL database version on the master and slave servers is 5.1.34.Host IP: 192.168.0.1Slave IP Address: 192.168.0.21. MySQL master server configuration1. Edit the configuration file/etc/my. cnf# Make sure it is as downstreamServer-id = 1Log-bin =
In the previous article "mud: learning the principles of mysql database master-slave synchronous replication", we introduced the basic principles of mysql master-slave replication. In this article, we will test the
Tags: mysql master master slave semi-synchronous MySQL ha clusterIntroduction: Principle and mechanism of master-slave replicationto implement replication, you must first open The binar
We know that MySQL read and write in the performance of the cost difference is larger, generally speaking the server top 20% write pressure, the other 80% of the pressure from reading, of course, it depends on the actual business situation.This article prepares to configure a master three from, in fact, how much has never anything to do with, a master more from a
event);(2) Slave copies the binary log events of master to its trunk logs (relay log);(3) Slave redo the event in the trunk log and change the data to reflect its own. Describes the process of replication: The first part of the process is the master record binary log. Master
Because recently in learning MySQL, see a lot of places have "sub-database sub-table", "Read and write separation" word, want to try it!First of all, because of my limited financial capacity, can not afford so many servers, so I borrowed Docker to build a virtual machine to serve as two servers.First, prepare the master-slave server1. Create a
Solution to master-host problem not supported by Mysql-5.5.3 master-slave synchronization bitsCN.com Solution to master-host problem not supported by Mysql-5.5.3 master-
Test Environment: Master server: CentOS5.2Mysql5.1.35 source code IP: 192.168.1.22 slave server: CentOS5.2Mysql5.1.35 source code IP: 192.168.1.33 configuration: 1. master server 1.1, create a copy user, with the replicationslave permission. Test environment: Master server: CentOS 5.2
Label:Copy from library main steps : ==================== you can see that there is a time lock table when copying from the main library, which affects the use of the main library. If we can replicate directly from the library, it will not have an impact on the main library. However, copying from the library ensures that the data from the library is not changed during the copy process, so you must first stop the library from being removed. 1. Stop from the library:
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