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centos 7 安裝Percona 5.7,Xtrabackup
簡(jiǎn)介
Percona server為 mysql 數(shù)據(jù)庫(kù)服務(wù)器進(jìn)行了改進(jìn),在功能和性能上較 MySQL 有著很顯著的提升。該版本提升了在高負(fù)載情況下的 InnoDB 的性能、為 DBA 提供一些非常有用的性能診斷工具;另外有更多的參數(shù)和命令來(lái)控制服務(wù)器行為。
Xtrabackup是一個(gè)對(duì)InnoDB做數(shù)據(jù)備份的工具,支持在線熱備份(備份時(shí)不影響數(shù)據(jù)讀寫(xiě)),是商業(yè)備份工具InnoDB Hotbackup的一個(gè)很好的替代品。
準(zhǔn)備工作
- CentOS 7(CentOS-7-x86_64-DVD-1503-01.iso)
- Percona Server 5.7
- Xtrabackup 2.4.3(percona-xtrabackup-24-2.4.3-1.el7.x86_64.rpm)
- Xshell
- Xftp
安裝
- 需要使用 su 命令,輸入Password,切換到root下(只有root才可以執(zhí)行rpm包)
-
Failed dependencies:
Percona-Server-client-57 is needed by Percona-Server-server-57-5.7.12-5.1.el7.x86_64
Percona-Server-shared-57 is needed by Percona-Server-client-57-5.7.12-5.1.
Percona-Server-shared-compat-57 is needed by Percona-Server-shared-57-5.7
mariadb-libs is obsoleted by Percona-Server-shared-compat-57-5.7.12-5.1.el7.x86_64
二、首先,卸載廢棄的依賴包
yum remove mariadb*
三、然后依次安裝
rpm -ivh Percona-Server-shared-compat-57-5.7.12-5.1.el7.x86_64.rpm
rpm -ivh Percona-Server-shared-57-5.7.12-5.1.el7.x86_64.rpm
rpm -ivh Percona-Server-client-57-5.7.12-5.1.el7.x86_64.rpm
rpm -ivh Percona-Server-server-57-5.7.12-5.1.el7.x86_64.rpm
四、啟動(dòng)MySQL服務(wù)
service mysqld start
注意:Percona 5.7安裝完默認(rèn)會(huì)產(chǎn)生個(gè)隨機(jī)的密碼,存在日志中。這個(gè)問(wèn)題曾困擾我一上午
cat /var/log/mysqld.log | grep "A temporary password" | awk -F " " '{print$11}'
查看方法:
-
如何解決Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'
五、安裝Xtrabackuprpm -ivh percona-xtrabackup-24-2.4.3-1.el7.x86_64.rpm可能會(huì)出現(xiàn)下面錯(cuò)誤提示信息:
Failed dependencies:
libev.so.4()(64bit) is needed by percona-xtrabackup-24-2.4.3-1.el7.x86_64
perl(DBD::mysql) is needed by percona-xtrabackup-24-2.4.3-1.el7.x86_64
(1)解決 perl(DBD::mysql) :
yum install -y perl-DBD-MySQL
(2)解決 libev.so.4()(64bit)
可以自行去rpmfind.net搜索系統(tǒng)所需要的rpm包進(jìn)行下載安裝
wget ftp://rpmfind.net/linux/dag/RedHat/el6/en/x86_64/dag/RPMS/libev-4.15-1.el6.rf.x86_64.rpm
OK,安裝完成
六、使用Xtrabackup備份
innobackupex --user=root --password=Pengyuanzhi --socket=/var/lib/mysql/mysql.sock /root
(1)Can't locate Digest/MD5.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at - line 693.
.pm實(shí)際上是Perl的包,只需安裝如下軟件包即可:
yum -y install perl-Digest-MD5
其他
- 查看MySQL 服務(wù)啟動(dòng)情況 (通過(guò)MySQL端口3306): netstat -ntpl
- 查找文件 -例: find / -name mysql.sock (查找name為mysql.sock,查找范圍為"/",表示整個(gè)計(jì)算機(jī))
網(wǎng)頁(yè)名稱:CentOS7安裝Percona與Xtrabackup
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