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    Follow the procedure below to manually install the Database Agent. You can alternatively follow the steps in the Download & Install Wizard, which you can access from the home page in the Controller UI. The wizard simplifies the install process.


    To avoid permission issues, you should install the Database Agent as the same user who will run the agent, or as an administrator on the host machine. To run the Database Agent, you must have write privileges to the logging output directory and to the conf directory, which are located in the agent installation directory.

    Install the Agent Software

    1. Download the version of the installation package that is appropriate for your OS environment from the AppDynamics Download Center (http://download.appdynamics.com).
    2. Extract the zip file to the destination directory. Do not use spaces in the agent installation destination directory. 
    3. Log on as an administrator to the machine where you will be installing the Database Agent.

    Windows

    Double-click the dbagent-x.x.x.zip file and extract the files to <db_agent_home>. If necessary, you can unblock the zip file before you extract it as follows: Right-click on the zip file, select Properties, and choose unblock

    There are two versions of the database agent: one that is 32-bit and one that is 64-bit (new in 4.5.2). Choose a version based on your OS requirements.

    Linux

    Enter the following on the command line: 

    unzip dbagent-x.x.x.zip -d <db_agent_home>

     

    Running Multiple Database Agents

    You can have multiple Database Agents concurrently running the agent jar in the <db_agent_home> directory on the same machine. Some system properties may be required depending on how you'll be using the agents.

    License the Agent (on premise only)

    Obtain a license.lic file with Database Monitoring licensing from your sales or support representative and put the license file in the directory where you installed the Controller. After placing the license in the directory, the Controller may take a minute or two to detect the new license. Restarting the Controller forces it to detect new licenses.

    Configure the Agent

    You can configure properties for the Controller host name, port number, and account access key using either the <db_agent_home>/conf/controller-info.xml file or by adding system properties to the Database Agent startup script.

    Controller Host Name

    Configure using controller-info.xml: <controller_host>
    Configure using System Properties: -Dappdynamics.controller.hostName
    Required: Yes
    Default: None

    Controller Port

    Configure using controller-info.xml: <controller_port>
    Configure using System Properties: -Dappdynamics.controller.port
    Required: Yes
    Default:  For On-premise Controller installations: Port 8090 for HTTP and 8181 for HTTPS communication. 
                   For SaaS Controller service: Port 80 for HTTP and port 443 for HTTPS communication.

    Account Access Key

    Configure using controller-info.xml: <account_access_key>
    Configure using System Properties: -Dappdynamics.agent.accountAccessKey
    Required: Yes
    Default:  None 

    Optional Configurations:

    Start the Controller Events Service (on-prem only)

    Linux

    bin/platform-admin.sh start-events-service

    Windows

    bin\platform-admin.exe start-events-service


    Launch the Database Agent using System Properties

    The following assumes that all the necessary parameters have been specified in the controller-info.xml.

    Method 1: Launch Agent with Start Script

    You can use a script to start the agent. This is the recommended method.

    Linux

    ./start-dbagent -Xms<min_heap_size> -Xmx<max_heap_size> &

    Windows

    start-dbagent.bat -Xms<min_heap_size> -Xmx<max_heap_size>

    Alternatively, you can launch the agent as a Windows Service (new in 4.5.4). For more information, see Install the Database Agent as a Windows Service.

    Method 2: Launch Agent with Java Command 

    Alternatively, you can launch the agent with the following Java commands.

    Linux

    java -XX:+HeapDumpOnOutOfMemoryError -XX:OnOutOfMemoryError=“kill -9 %p” -jar db-agent.jar

    Windows

    C:\java -Djava.library.path="<db_agent_home>\auth\x64" -Ddbagent.name="Scarborough Network Database Agent" -jar <db_agent_home>\db-agent.jar

    System Properties

    Database Agent Name

    Configure using System Properties:  -Ddbagent.name=<db_agent_name>
    Type: ASCII string, including spaces. If <db_agent_name> contains spaces, you must enclose the entire name in double quotes (" ").
    Required: Yes, when you have multiple agents reporting to the same controller.
    Default: Default Database Agent

    Java Library Path

    Configure using System Properties:  -Djava.library.path=<db_agent_home>\auth\x64
    Type: ASCII string, including spaces. If <db_agent_home> contains spaces, you must enclose the entire name in double quotes (" ").
    Required: Yes, for Windows only
    Specify:
       For 64-bit systems: <db_agent_home>\auth\x64
       For 32-bit systems: <db_agent_home>\auth\x86

    Increase the JVM Memory

    To monitor multiple databases, you may need to increase the JVM memory allocation size. Increased activity on the databases you are monitoring results in increased memory usage. 

    Use one of the following commands to start the agent, and to initially allocate 1536 MB to the agent instead of the default of 64 MB. 

    For Windows 64-bit
    C:\java -Xmx1536m -Djava.library.path="<db_agent_home>\auth\x64" -jar <db_agent_home>\db-agent.jar
    For Linux
    % java -Xmx1536m -jar <db_agent_home>/db-agent.jar 
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