Canary.Axiom.Session eating CPU Usage% - What is this Service?
We have an instance where there is a math added to some charts (I've asked that they move the math to the calculations module and pull that calculated data)
But while troubleshooting this I went to see the charts on all the CPU Usage% within Canary and looking at this it would look like it's an outside resource to Canary that is eating the CPU Usage.
But when looking at Task Manager, I can see multiple instances of Canary.Axiom.Session using near 12% usage each and I see seven instances of this.
This server currently has 8 cores, so I'm surprised that she was able to get pegged off.
What is this Canary Axiom Session? and is there a way to see this usage is the Axiom charts?
Canary version 25.3 with Windows Server 2025
Regards.
1 reply
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Hi ,
There is a Canary.Axiom.Session process for each Axiom session a user has open, whether it be a chart or application. You can also see these in the Axiom tile within the admin.
I currently have 5 open, but you can see the CPU usage is quite low. Yours are very elevated. Perhaps the Historian or Views is in a bad state? Or perhaps there's a hardware issue with the disk?
Does the software seem sluggish?
If you open Messages and filter on the VIO category, we may be able to rule out any hardware issues based on some of the metrics highlighted below.
These are captured twice a day.
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