MySQL Enterprise Monitor是專門為MySQL數據庫而設計的一款企業級監控，能非常好地與MySQL各方面特性相結合，包括：MySQL的關鍵性能指標、主機、磁盤、備份、新特性相關以及各種場景下的架構配置，並支持從單節點到海量節點部署的環境。它不僅能夠全面地監控MySQL的運行狀態，還能及時發現潛在的問題並給出優化建議。本文描述了MySQL Enterprise Monitor的安裝過程。
1、安裝需求
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架構圖及安裝步驟
a、建立一個作為Repository獨立的MySQL數據庫，也可以用EM自帶的
3、安裝MySQL Enterprise Monitor
[root@SZDB tools]# ls -hltr
Please select the installation language #選擇安裝語言
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Installation directory [/opt/mysql/enterprise/monitor]: /dbdata/mysql/enterprise/monitor
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Please specify the following parameters for the bundled Tomcat Server
Tomcat Server Port [18080]: #Author: Leshami
Tomcat SSL Port [18443]: #Blog : http://blod.csdn.net/leshami
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You are installing as root, but it's not good practice for the Service Manager
User Account [mysqlmem]:
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Please select which database configuration you wish to use
[1] I wish to use the bundled MySQL database
* We will validate the version of your existing MySQL database server during the
Important: MySQL Enterprise Monitor 2.3 and 3.0 cannot share a Repository. If
Visit the following URL for more information:
http://dev.mysql.com/doc/mysql-monitor/3.0/en/mem-install-server.html
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Please specify the following parameters for the bundled MySQL server
Repository Username [service_manager]: #Repository用戶名及密碼
Password :
Use SSL when connecting to the database [y/N]: y
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Do you want to continue? [Y/n]: y
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Installing #開始安裝mysql enterprise monitor
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Setup has completed installing the MySQL Enterprise Monitor files on your
Uninstalling the MySQL Enterprise Monitor files can be done by invoking:
To complete the installation, launch the MySQL Enterprise Monitor UI and
Press [Enter] to continue :
WARNING: To improve security, all communication with the Service Manager uses
http://dev.mysql.com/doc/mysql-monitor/3.0/en/mem-install-server.html
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View Readme File [Y/n]: n
Info: To configure the MySQL Enterprise Monitor please visit the following page:
4、安裝客戶端
Please select the installation language
Please specify the directory where MySQL Enterprise Monitor Agent will be
Installation directory [/opt/mysql/enterprise/agent]: #選擇安裝路徑
How will the agent connect to the database it is monitoring? #選擇連接協議
[1] TCP/IP
You can configure the Agent to monitor this host (file systems, CPU, RAM, etc.)
Visit the following URL for more information:
Monitoring options:
[1] Host only: Configure the Agent to monitor this host and then use the Monitor UI to furnish connection parameters for current and future running MySQL Instances.
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Do you want to continue? [Y/n]: y
Installing #安裝agent
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Hostname or IP address []: 172.16.10.198 #Enterprise Monitor DB 的IP
Agent Username [agent]: #輸入安裝Enterprise Monitor是定義的用戶名及密碼
IMPORTANT: The Admin user account specified below requires special MySQL
Visit the following URL for more information:
MySQL hostname or IP address [localhost]: #被監控數據庫的IP及端口設置
Validate MySQL hostname or IP address [Y/n]: y
MySQL Port [3306]:
Admin User []: root
Admin Password :
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IMPORTANT: Less privileged accounts can be used to enhance monitoring security,
Visit the following URL for more information:
Auto-Create Less Privileged Users [Y/n]: y
General Username []: general #以下部分創建用戶捕獲數據庫等相關的監控信息
General Password :
Limited Password :
MySQL Enterprise Monitor Agent (Version 3.0.15.3058 : 3.0.15.3058)
The settings you specified are listed below.
Note that if you are using a Connector to collect Query Analyzer data,
Installation directory: /opt/mysql/enterprise/agent
MySQL Enterprise Monitor UI:
Monitored MySQL Database:
Press [Enter] to continue :
Info to start the MySQL Enterprise Monitor Agent
The MySQL Enterprise Monitor Agent was successfully installed. To start the
View Agent Readme File [Y/n]: n
#以下部分啟動agent，至此安裝完畢，可以登陸到GUI界面進行監控
