02-02-周一_13-11-39
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@@ -2932,7 +2932,7 @@ select * from t1 where id>2000;
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```shell
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#得到按照时间排序的前10条里面含有左连接的查询语句
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$PATH/mysqldumpslow -s t -t 10 -g "left join" /database/mysql/slow-log
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[root@localhost ~]# mysqldumpslow -s t -t 10 -g "left join" /database/mysql/slow-log
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```
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### 14.5.3 第三方慢日志分析工具-Percona
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@@ -3368,14 +3368,20 @@ Xtrabackup 是由 Percona 公司开源的一款 MySQL 物理热备份工具,
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- Xtrabackup安装
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```shell
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yum -y install epel-release
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#安装epel源
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yum -y install perl perl-devel libaio libaio-devel perl-Time-HiRes perl-DBD-MySQL
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#安装依赖
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wget httpss://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.4.4/binary/redhat/6/x86_64/percona-xtrabackup-24-2.4.4-1.el6.x86_64.rpm
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#下载Xtrabackup
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yum localinstall -y percona-xtrabackup-24-2.4.4-1.el6.x86_64.rpm
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# 安装
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# 下载并安装Percona官方仓库配置包(适配RHEL/CentOS 8+)
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yum install -y https://repo.percona.com/yum/percona-release-latest.noarch.rpm
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# 启用xtrabackup 2.4仓库(默认可能禁用,需显式开启)
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percona-release enable-only tools release
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# 刷新yum缓存,加载新仓库信息
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yum clean all && yum makecache
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# 直接安装,yum会自动匹配系统版本并安装所有依赖
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yum install -y percona-xtrabackup-24
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# 查看版本,确认安装成功
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xtrabackup --version
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# 预期输出:xtrabackup version 2.4.xx based on MySQL server 5.7.xx (Linux (x86_64))
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```
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- 备份方式(物理备份)
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