MySQL Enterprise Monitor是专门为MySQL数据库而设计的一款企业级监控，能非常好地与MySQL各方面特性相结合，包括：MySQL的关键性能指标、主机、磁盘、备份、新特性相关以及各种场景下的架构配置，并支持从单节点到海量节点部署的环境。它不仅能够全面地监控MySQL的运行状态，还能及时发现潜在的问题并给出优化建议。本文描述了MySQL Enterprise Monitor的安装过程。
1、安装需求
General Platform Recommendations
The following are recommended:
? Ensure that your Service Manager and Agent hosts are synchronized to the same time server. It is important that all times are properly synchronized.
? Ensure that your Service Manager and Agent hosts use different SSH host keys before installing.
MySQL Requirements
This section describes the MYSQL Server requirements for MySQL Enterprise Monitor installation.
? The Enterprise Server Manager repository requires MySQL Server 5.6.14 or higher.
? The Monitoring Agent can monitor any version of MySQL Server from version 5.0 onwards.
?
Ensure the following:
? The MySQL Server version is 5.6.14 or higher.
? The InnoDB storage engine is available.
? SSL is enabled.
You must ensure the following in the MySQL Server configuration:
? Query Cache must not be enabled.
? Set innodb_file_per_table=1.
? Set innodb_file_format=Barracuda.
? On Linux/Unix hosts, ensure innodb_flush_method=O_Direct, except on Solaris if ZFS is used.
If using ZFS, comment out this parameter.
? It is recommended to set innodb_log_file_size=2048M.
?
2、MySQL Enterprise Monitor架构图及安装步骤
a、建立一个作为Repository独立的MySQL数据库，也可以用EM自带的
b、安装EM
c、在每个要监视的MySQL server上按住EM agent
?
3、安装MySQL Enterprise Monitor
[root@SZDB tools]# ls -hltr
total 999M
-rwxrwxr-x 1 robin mysql 252M Sep 30 02:32 mysqlmonitor-3.0.15.3058-linux-x86_64-update-installer.bin
-rwxrwxr-x 1 robin mysql 252M Sep 30 02:32 mysqlmonitor-3.0.15.3058-linux-x86_64-installer.bin
-rw-r--r-- 1 robin mysql? 13K Sep 30 05:09 README_en.txt
-rw-rwxr-- 1 robin mysql? 13K Sep 30 05:09 READ_ME_ja.txt
-rw-r--r-- 1 robin mysql 495M Nov 11 08:11 MySQLmem3015.zip
[root@SZDB tools]# chmod u+x mysqlmonitor-3.0.15.3058-linux-x86_64-*.bin
[root@SZDB tools]# ./mysqlmonitor-3.0.15.3058-linux-x86_64-installer.bin
Language Selection
Please select the installation language? ? ? #选择安装语言
[1] English - English
[2] Japanese - 日本語
Please choose an option [1] : 1
Info: During the installation process you will be asked to enter usernames and
passwords for various pieces of the Enterprise Monitor. Please be sure to make
note of these in a secure location so you can recover them in case they are
forgotten.
Press [Enter] to continue :
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Welcome to the setup wizard for the MySQL Enterprise Monitor
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Please specify the directory where the MySQL Enterprise Monitor will be
installed? ? ? ? ? ? ? #选择安装路径?
Installation directory [/opt/mysql/enterprise/monitor]: /dbdata/mysql/enterprise/monitor
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Tomcat Server Options
Please specify the following parameters for the bundled Tomcat Server
Tomcat Server Port [18080]:? ? ? ? ? ? ? #Author: Leshami
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Service Manager User Account
You are installing as root, but it's not good practice for the Service Manager
to run under the root user account.? Please specify the name of a user account
to use for the Service Manager below.? Note that this user account will be
created for you if it doesn't