Centos 6.8 安装Percona Xtrabackup

nikoo

　　1、获取xtrabackup工具     https://www.percona.com/  我这里安装的rpm的
　　

　　2、安装
　　rpm -ivh percona-xtrabackup-24-2.4.6-2.el6.x86_64.rpm
　　依赖关系：
　　warning: percona-xtrabackup-24-2.4.6-2.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
        libev.so.4()(64bit) is needed by percona-xtrabackup-24-2.4.6-2.el6.x86_64
        libnuma.so.1()(64bit) is needed by percona-xtrabackup-24-2.4.6-2.el6.x86_64
        perl(DBD::mysql) is needed by percona-xtrabackup-24-2.4.6-2.el6.x86_64
        rsync is needed by percona-xtrabackup-24-2.4.6-2.el6.x86_64
　　

　　解决上述依赖关系：
　　1、yum install -y rsync
　　2、yum install -y perl-DBD-MySQL （用于Perl的MySQL的DBI的实现。DBI（database index））
　　3、yum install -y numactl-devel （Provides development headers for numa library calls）
　　注解： NUMA（Non Uniform Memory Access Architecture）非统一内存访问（NUMA）是一种用于多处理器的电脑记忆体设计，内存访问时间取决于处理器的内存位置。
　　4、rpm -ivh libev-4.15-1.el6.rf.x86_64.rpm  要在rpmfilnd网站下载

　　软件包简介：
　　Features include child/pid watchers, periodic timers based on wallclock
(absolute) time (in addition to timers using relative timeouts), as well as
epoll/kqueue/event ports/inotify/eventfd/signalfd support, fast timer
management, time jump detection and correction, and ease-of-use.
        It can be used as a libevent replacement using its emulation API or directly
embedded into your programs without the need for complex configuration support.
　　5、重新安装percona-xtrabackup即可！