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Best practices for monitoring lots of the same APM components

We have a bunch (not massive amounts but a lot) of similiar servers and servers that run the same OS. Now, we monitor base OS services and application specific services. The base OS services are fairly standard and do not vary much from box to box.

Myquestion is this... is it better to make a APM template and drop every box in it for the base OS services and then a application specific template for whatever apps a box is running (thus giving us two template againts one box) or is it better to just make one template for the box and include the base OS services as well as the application services?

I would prefer to drop all the Windows boxes in a windows template, all the linux in a linux template etc etc and then drop boxes into application templates as needed but I am concerned that this may cause issues with APM. Thought?

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apm_2.5

Accepted answers

FormerMember

Each application is one "job" to our poller, so splitting them into two templates doesn't reduce the load. It slightly increases the load.

You should arrange your components into templates that are meaningful to how you want to manage your apps. Don't worry about scalability.

Ultimately, the total number of components does matter because each one represents data that must be processed and stored. So assuming 10+ components per application, you should be able to do 8000+ components with a single poller. So you're setup is getting near the upper limit of a single poller. To scale up beyond that, you'll need to buy another poller.

All comments

RogerWong

Hi, Rane.

You can assign a common template to a certain class of server nodes -- based on the operating system in your case -- and then assign additional templates to the same servers based on their specific functions. There's no problem at all doing this.

Actually, I would go as far as to say we would prefer you do it that way, as it requires less work to set up and to maintain.

Rane

Is there a upper limit on how many servers should be on a APM app? We have 64 citrix blades and they are each monitored for 18 APM components. We broke these into two APM templates and split them up so as to not overload. if we went with a windows APM (10 or so somponents) and applied it to each of our 400 or so windows servers would that be too much? or would it be better to do 1 component at a time and assign it to all the servers as needed? or something in-between?

FormerMember

Each application is one "job" to our poller, so splitting them into two templates doesn't reduce the load. It slightly increases the load.

You should arrange your components into templates that are meaningful to how you want to manage your apps. Don't worry about scalability.