Can anyone please explain me the difference between sum and count aggregation with examples. I actually need to know number of hogging threads present in an application for a time interval of 30 min which we will specify in incident rule. Can you please tell me what aggregation should I use here.
Answer by James K. ·
Sum is the sum of the numerical value that the measure is tracking, whereas count is the count of PurePaths the were involved when calculating that measure. So if your measure is for web requests and 2 PurePaths involved 4 web requests each, then the sum would be 8 and the count would be 2.
In your case I would recommend using the sum aggregation.
Answer by Bhaskar G. ·
Thanks @Babar Q.
We are seeing an issue with WebSphere JVM thread count, where the dashboard we created gives us the accurate value but the alert throws us a different number. dashboadwhere-the-threadcount-is-less-than-35.png
Any input on this is very helpful. Thanks in advance.
Answer by Patrick H. ·
Have a look at the answer here: https://answers.dynatrace.com/questions/93939/what...
The explanation from andi would also apply for your case.
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