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John.Gregg · 04-27-2023

All, What does it mean when there are multiple HttpServlet:service() and dispatcherServlet:doService() nodes in the call graph of a transaction snapshot? For example: Call graph showing multiple calls to HttpService.service. The service does use mul...

John.Gregg · 02-13-2023

All,The OOTB Kafka JMX configuration is incorrect. Maybe it was correct for an older version of the Kafka client library, but it's not correct any longer. For example, there are metrics defined using the object name match pattern "kafka.consumer:ty...

John.Gregg · 12-19-2022

All,When running a metric-data query, for one application I'm getting this response:Invalid application id xxx is specifiedHere is the query:https://mycompany.saas.appdynamics.com/controller/rest/applications/xxx/metric-data?time-range-type=BEFORE_NO...

John.Gregg · 04-12-2022

All, I'm using the SaaS controller. I'm familiar with metric rollup but there is a difference in data granularity between the SaaS UI and the output from the metric-data REST endpoint. Currently I'm looking at some data in the UI and it shows 1 minu...

John.Gregg · 08-25-2021

I'm using the v20.5 java agent. Is there a way to trigger and download a thread dump via the API? I don't see one. In the UI, we can do something like this:Go to nodeGo to agent tabRequest agent log filesCollect x thread dumps y millis apartDownload...

John.Gregg · 02-13-2023

I'm not aware of any detailed documentation on how the OOTB JMX metrics are defined. There is some high-level documentation but it's wrong, too. Regardless, I think I've fixed the JMX configuration but I can't select the new metrics for inclusion i...

John.Gregg · 12-19-2022

This is working now. It may have been a permission problem. I would have expected an http 403 or 404 if the user didn't have the right permissions. Instead I got an http 400.

John.Gregg · 07-06-2022

Interested to hear the answer to this one. At my company it's about 20 seconds between the first and last AppD startup messages, which I think is still way too long.First message:Full Agent Registration Info Resolver found system property [appdynami...

John.Gregg · 04-21-2020

@Ryan.ParedezThere is no way for someone to solve this problem without seeing the log message.

John.Gregg · 03-03-2020

The active processor count doesn't itself limit the number of CPUs the JVM can use in a general way. Would you expect this option to only be used in combination with other features? Here is an example of CPU usage during a load test. Active process...

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Multiple HttpServlet:service() nodes in a transaction snapshot call graph

Dashboards with custom JMX metrics

Invalid application id xxx is specified

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Thread dump via API?

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