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How to use xtrabackup to back up mysql database

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Release: 2020-01-26 15:49:36
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How to use xtrabackup to back up mysql database

Use xtrabackup to back up mysql database

Recommended: "mysql tutorial"

1. Installation

1. Download the binary file directly

wget http://www.percona.com/downloads/XtraBackup/XtraBackup-2.1.9 /binary/Linux/x86_64/percona-xtrabackup-2.1.9-744-Linux-x86_64.tar.gz

Decompress and place it in the corresponding directory

2. Put the file Bin directory to add environment variables, or copy the executable file to the /usr/bin directory, otherwise

sh: xtrabackup_55: command not found

innobackupex: fatal error: no 'mysqld' group in MySQL options

Error

2, basic use

1.Full backup

innobackupex --user=root --password=123456 /mysql_backup
Copy after login

2. Back up the specified database db_c

innobackupex --user=root --password=123456 --include="db_c" /mysql_backup
Copy after login

3. Restore

Because the backup of xtrabackup is a physical backup, copy The corresponding file has been found, so the recovery also involves overwriting the file into the datadir directory of mysql and granting the corresponding permissions.

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