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07-25-2018 01:29 AM - last edited on 10-22-2019 08:38 AM by Ryan.Paredez
Hello,
Can you please help me to understand the below different scenarios and how do I find out these scenarios using AppD controller, agent logs for a Java application.
1) Agent not reporting to controller
2) Agent is not collecting data from app server(considering application is running)
3) Application is down hence no data reported on controller
Eg: No application data is reported for particular time range on controller. Now how can I say that agent is up and fine but problem is with the application (could be down or no load at all for more than 2 hours) or Agent was collecting all data but not able to communicate to controller or agent itself was down.
Thanks in advance.
Solved! Go to Solution.
07-25-2018 01:53 AM - last edited on 01-10-2020 09:11 AM by Ryan.Paredez
If the agent is reporting, it posts a value of 1 to its Availability metric (shown below in the metric browser for a node called WEB1_NODE in the ECommerce-Services tier of the ECommerce application)
You can build health rules and alert on this at the node level, to get notification when a node is not reporting, or a the tier level to ensure each tier always has a certain minimum number of nodes.
so if you see a 1 posted in that metric, you know the agent reported.
For your cases 1 and 3, this wil be 0.
For case 2, it is extremely unlikely that this metric would be 1 and absolutely no other data would be reported from the agent. That said, if it is 1 but you do not see Business Transaction activity that you expect within the instrumented node, then it is likely you are missing necessary entry points because your application is not running within a framework for which there is out of the box configuration.
Warm regards,
Peter
07-25-2018 03:54 AM - last edited on 01-10-2020 09:11 AM by Ryan.Paredez
Hi,
Thanks for quick response. It was helpful.
Can you also provide information on 2 point.
07-25-2018 04:21 AM - last edited on 01-10-2020 09:12 AM by Ryan.Paredez
I had already included observations about point 2, but I did not make that very clear. I have updated my initial reply to make it clearer
07-26-2018 09:12 PM - last edited on 01-10-2020 09:12 AM by Ryan.Paredez
Thanks a lot
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