How to monitor ManageEngine OpManager On-Prem performance under ManageEngine Applications Manager?

How to monitor ManageEngine OpManager On-Prem performance under ManageEngine Applications Manager?

ManageEngine OpManager is built with Java, hence we can monitor it using APM Insight Java Agent to measure it's performance.

Setting up APM Insight Java Agent

Manual Setup
Automated Setup
Manual Setup
Follow the below steps to download and set up the Java agent manually.
Notes
Note: All the below mentioned steps refer to the ManageEngine Applications Manager to which the monitoring data is to be sent.
1. Download the appropriate APM Insight Java Agent (apminsight-javaagent.zip) file.
2. Extract the downloaded file (apminsight-javaagent.zip) in the server where the OpManager is installed. (e.g. C:\Program Files\ManageEngine\APMJavaAgent)
3. From the extracted files, open a file named "apminsight.conf".
  1. Update the URL of the Applications Manager (to which the monitoring data is to be sent) in the key "apm.host" 
    1. Info
      e.g. apm.host=https://apmhost1:8443
  2. Update the license key of the Applications Manager (to which the monitoring data is to be sent) in the key "license.key"
    1. Info
      e.g. license.key=APMI_95ef70db7c637dd75f1b922bd7c9725d1ab59785987a35328af380447bf81e3f
    2. To fetch the license key:  Applications Manager UI > "APM" tab > "Add New Monitor" > Copy the license key present in the page
  3. Provide a name for this application in the key "application.name". This will be used as the display name.
    1. Info
      e.g. application.name=ME OpManager
  4. Save and close the "apminsight.conf" file.
Example:


Automated Setup
Follow the guided installation steps to download and set up the Java agent automatically.
Once the above steps are completed, we need to map this agent to the ManageEngine OpManager , which you want to monitor. Please follow the steps below, based on the installation type:

OpManager - Service Startup 

Windows Installation
Linux Installation
Windows Installation
1. Navigate to <OpManager_Home>\conf folder. Open wrapper.conf file in a text editor.
2. Add the java agent property to the conf file, under the key  wrapper.java.additional.<argument_number>, as mentioned below. Ensure that the <argument_number> is unique, and doesn't exist already in the conf file.
Info
wrapper.java.additional.50=-javaagent:"<agent_directory_full_path>/apminsight-javaagent.jar"
Notes
Note: Replace <agent_directory_full_path> with the full directory path where the APM Insight agent is installed. 





Linux Installation
1. Navigate to <OpManager_Home>\conf folder. Open wrapper_linux.conf file in a text editor.
2. Add the java agent property to the conf file, under the key  wrapper.java.additional.<argument_number>, as mentioned below. Ensure that the <argument_number> is unique, and doesn't exist already in the conf file.
Info
wrapper.java.additional.50=-javaagent:"<agent_directory_full_path>/apminsight-javaagent.jar"
Notes
Note: Replace <agent_directory_full_path> with the full directory path where the APM Insight agent is installed. 





  1.  After adding the argument, restart ManageEngine OpManager to begin data collection.

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