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MySQL master-slave synchronization is a mature architecture: advantages:① The query can be performed on the slave server (that is, the READ function we often call) to reduce the pressure on the master server.② Back up data from the master server to avoid affecting the services of the master server during the backup.③ When a problem occurs on the master server, you can switch to the slave server.I. experimen
MySQL backup script and mysql script Mysqlbackup. php: Mysqlbackup. bat: D: \ xampp \ php \ php.exe-q D: \ wamp \ www \ php_lib \ basic \ mysqlbackup. phpPause; Linux shell backup MySQL: #! /Bin/sh # sed-I's/^ M // G'/home/taskschd/bac
[Switch] MySQL database hot backup bitsCN.com 1. system environment description:1. Two database servers, A and B;2. Currently, A is in use and serves as the master server. B is used as the backup database server;3. the database for hot backup contains data tables of MyISAM and InnoDB type; II. operation process descr
Tags: www disaster recovery file system benefits online cannot start a consistent logical backup cannot Topics We are not going to include:Security (Access to backup, permissions to restore data, whether files need to be encrypted) where backups are stored, including how far they should be from source data, and how to move data from source to destination retention policies, audits, legal requirements, and c
A small number of databases we can make a full backup every day because it won't take much time, but when the database is large, we are less likely to make a full backup every day and change it to a weekly full backup, an incremental backup like this one every day. The rationale for incremental backups is to use the
Create a backup folder for mysql automatic backup in linux: mkdir mysql_data_bak script file: touch autobackupmysql. sh www.bitsCN.com open the file vi autobackupmysql. sh adds the following content to the script: filename = 'date + % Y % m % d'/usr/bin/mysqldump-uroot-proot boss>/home/mysql_data_bak/$ filename. crond is not installed in the SQL check. If no, ins
First, Xtrabackup Simple overview:Percona Xtrabackup is open source free MySQL database hot backup software, it can be InnoDB and XTRADB storage Engine database non-blocking backup (for MyISAM backup also need to add a table lock). Xtrabackup supports all Percona servers, MySQL
This section describes automatic database backup and restoration methods after database destruction. Here, we use mysqlhotcopy and define a Shell script to implement automatic database backup. In addition, the entire process of automatic data backup and data recovery is based on Shell. This section describes automatic database
MySQL study--mysql InnoDB Engine Backup tool One of the Xtrabackup (Install)Xtrabackup is a innodb to do data backup tools, Support Online hot backup (backup without affecting the data read and write), is a commercial
The backup of MySQL database is one of the most important tasks. The data backup of MySQL database can achieve absolute security of data in MySQL database, and the data in MySQL database will not be lost due to any minor faults, a
Mysql database performance optimization 3 (Table sharding, Incremental backup, and restoration), mysql Performance Optimization Next, Mysql database performance optimization 2 Horizontal table Division If a table contains too many records, for example, tens of millions of records and needs to be searched frequently, it
- Standby : Read and write operations can be performedMyISAM: Win Bei, hot standby not supportedInnoDB: All supportphysical and logical backupsPhysical backup : directly copy data files for backup, related to storage engine, occupy more space, fastlogical Backup : The backup of "export" data saved from the database, re
Mysql master/slave hot backup environment: Host: 192.168.53.81 Slave: 192.168.53.82 1. check the mysql version number of the master database. the mysql version number of the slave database must be consistent with that of the master database. [Root @ 53-81 ~] #/Usr/local/mysql
Synchronous Asynchronous backup of two mysql databases: bitsCN.com 1. server statusServer A: 192.168.1.1Server B: 192.168.1.2 2. create a synchronization userHost domain A: 192.168.1.2 user name A: sync_a password A: aaaHost domain B: 192.168.1.1 username B: sync_ B password B: bbbAssign at least the following permissions to grant replication slave 3. execute flush privileges 4. stop
Mysql backup Big Table problem-mysqldump missing-q Parameter causes MySQL to be killed by oom? One day early morning, I received a db Fault Warning and went to the machine for check. mysql was restarted by the myqld daemon. Check varlogmessages and the recent dmesg and find that the
A small number of databases can be fully backed up every day, because it does not take much time. However, when the database is very large, it is unlikely that a full backup is performed every day. at this time, incremental backup can be used. The principle of incremental backup is to use mysql binlog. The M database i
Complete mysql backup and recovery practices 1. Environment Settings between backup Databases 1. Create Database test1, create table tt, and insert the following data mysql> create database test1;Query OK, 1 row affected (0.04 sec)mysql> use test1Database changedmysql> crea
Mysql dual-machine hot backup summary Mysql versions later than 3.23.15 provide the database replication function. This feature allows you to synchronize two databases, master-slave mode, and mutual backup mode. (10:45:10) By lanf Mysql versions later than 3.23.15 provide t
Tags: style http using strong file Data io widthDatabase as the only or primary persistent component in a system, the availability of the service and the reliability of the data are very demanding.As a preventive means to effectively deal with the data loss caused by the system hardware and software failure, the manual error operation, Backup is the most common operation of database operations at present. Given the impact of
Environment: CentOS7.4 Server IP Address: 192.168.100.71 Yum Mount directory:/mnt/sr0 Related Source information: mysql-5.7.17 Command step one, use the TAR command to package a folder Backup 1, install the XZ package[Email protected]_1 ~]# yum-y install XZ #使用xz压缩格式 with a large compression ratio2. Backup Data Directory[Email protected]_1 ~]# t
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