linux安装XtraBackup8

xtrabackup是percona团队研发的备份工具，比MySQL官网的ibbackup的性能还要多。反对myisam温全备、innodb热全备和温增备，还能够实现innodb的定时点复原，而且备份和复原的速度都较快。在目前MySQL的备份实现上，思考价格、速度、平安、一致性等角度，xtrabackup是十分适合的工具。

MariaDB也能够应用percona xtrabackup进行备份，不过MariaDB基于percona xtrabackup开发了它本人的备份工具：MariaDB Backup。它基于xtrabackup开发，所以所用办法根本和xtrabackup雷同，只是有些本人的个性

留神:XtraBackup只反对MySQL8.0,MySQL8.0以前的须要xtrabackup2.4备份和复原

下载的rpm软件包装置Percona XtraBackup

> wget https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-8.0.4/binary/redhat/7/x86_64/percona-xtrabackup-80-8.0.4-1.el7.x86_64.rpm

常见谬误

> rpm -ivh percona-xtrabackup-80-8.0.4-1.el7.x86_64.rpm
error: Failed dependencies:
        libev.so.4()(64bit) is needed by percona-xtrabackup-80-8.0.4-1.el7.x86_64
        perl(DBD::mysql) is needed by percona-xtrabackup-80-8.0.4-1.el7.x86_64
        perl(Digest::MD5) is needed by percona-xtrabackup-80-8.0.4-1.el7.x86_64

装置libev

> yum install  libev -y

装置DBD::mysql

> yum install perl-DBD-MySQL -y

装置Digest::MD5

> yum install -y perl-Digest-MD5

持续装置XtraBackup

> rpm -ivh rpm -ivh percona-xtrabackup-80-8.0.4-1.el7.x86_64.rpm

查看XtraBackup版本

> xtrabackup --version
xtrabackup: recognized server arguments: --datadir=/var/lib/mysql 
xtrabackup version 8.0.4 based on MySQL server 8.0.13 Linux (x86_64) (revision id: c2c0777)

卸载percona-xtrabackup

> yum remove `rpm -qa | grep percona-xtrabackup`

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