master in neuromarketing

Label:Mysql Read-Write separation YIi Configuration return [' Class ' = ' yii\db\connection ',' Masterconfig ' = [' DSN ' = ' mysql:host=localhost;dbname=studyyii ',' Username ' = ' root ',' Password ' = ' Caesar ',' CharSet ' = ' utf8 ',' Attributes ' = [Use a smaller connection timeoutPdo::attr_timeout = 10,],], Configuring the primary server group' Masters ' = [[' DSN ' = ' mysql:host=172.31.80.31;dbname=studyyii '],[' DSN ' = ' DSN for master se

Mysql tutorial master-slave synchronization failure Last_IO_Error: Got fatal error 1236 from master Solution The following error occurs: "Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file', or the Master/Slave database is not

In the process of MySQL master-slave synchronization, the master database and slave database may not be synchronized for various reasons. Although there are some solutions on the Internet, it is sometimes difficult to completely solve the problem, resetting the Master/Slave server may not be the fastest way, but it is the most secure and effective. Next, we will

MySQL database master-slave synchronization, mysql database master-slave 1. PreparationsPrepare two machines and install a MySQL database respectively. For example 10.254.141.23 as the primary database10.254.166.60 as the slave Database For MySQL database installation instructions, see MySQL database installation.2. binlog is enabled for the master database.Chec

Author: starstar blog last night: yestreenstars.blog.51cto.com this article was created by myself. If you need to reprint it, please indicate the source. Thank you for your cooperation! Set up MySQL Author: Last night's star blog: Movie! Set up MySQL StatementAuthor: Last Night starsBlog:This article was created by myself. If you need to reprint it, please indicate the source. Thank you for your cooperation! Steps for setting up Master-

When the amount of data becomes large, the separation of read and write is necessary. While avoiding a Redis service outage, which leads to application downtime, we enable Sentinel (Sentinel) services for master-slave switching.Redis provides a master, multiple slave service.Prepare three Redis services, naming the folder sub-master,slave1,slave2. Here for the te

Tags: lib data manipulation binaries Log-bin SQL cut query file GtidMaster 192.168.56.20 and new database from both DB1 DB2 DB3 (if the database is in use, need to be locked manually from the primary backup and then from recovery)mysql> CREATE DATABASE db1;Query OK, 1 row Affected (0.00 sec)Mysql> CREATE DATABASE DB2;Query OK, 1 row Affected (0.00 sec)mysql> CREATE DATABASE db3;Query OK, 1 row affected (0.01 sec)Master authorization from the accountGr

Tags: star serve import table prot Word roc NSA rest CharMySQL master-slave replication principle1. First master records data updates to a binary Binlog file2.slave requests the Binlog log file to the master via the I/O thread to specify the content after the location3.master receives slave IO request, it will start fr

Tags: MySQL 5.7 master-slave replication (master-Slave synchronization)1. Description:IP Computer name role192.168.1.101 MySQL-001 Master192.168.1.102 MySQL-002 SlaveSystem: CentOS 6. or 7.MySQL Version: 5.7MySQL Installation steps linkhttp://blog.51cto.com/10158955/1926574Attention! Depending on your installation path and the data directory is different and modified! (including configuration files)2. The

MySQL master-slave Switch manualMaster-slave ArchitectureOperation and Maintenance DepartmentV1.0 . Year May 24Normal switching Check slave synchronization Status 1) in master execution: show Processlist;Show Master have sent all binlog to slave; Waiting for Binlog to be updated2) performed in Slave: Show Processlist;Showing slave have read all rela

MySQL master-slave replication and read-write separation, mysql master-slave read-write The so-called read/write splitting is to prepare two types of MySQL Databases in advance, one for update (master) and the other for query (slave ). When the application system needs to update data, it calls the master and slave when

MySQL master-master Replication Recently, I have been busy with MySQL for a long time and have not updated the document. I have learned that I have just set up the master copy of MySQL and sent the document by the way. Hope to help you! Production Environment MySQL master/Master