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gocd / go-cookbook

Cookbook that installs and configures the open-source ThoughtWorks Studios GoCD product
http://www.gocd.org/
Apache License 2.0
45 stars 66 forks source link

Recommended server setup? #87

Closed michaeloa closed 8 years ago

michaeloa commented 8 years ago

What is the recommended way to setup GoCD server and agents? It seems like the agent cookbook here sets up 16? agents by default, which seems like a fair amount for a typical server. Should agents and server run on the same box, or seperate boxes.

For context, we're setting this up on an Openstack cloud, with 4 CPU, 8-GB RAM VMs as standard. Would it be best to have 1 VM for the server and 2-4 VMs for the agents, or would it make sense to install them all on the same VM. And how many agents per CPU?

michaeloa commented 8 years ago

Also thinking here in terms of how it would be easiest to scale out/up in future. We have relatively few systems using our original server, which just put everything on one (largish) box, but since we're moving it, would be nice to do so in a manner that future changes don't give us a headache.

I realize that there is probably no final answer for these issues as it depends on usage patterns, but it would be nice with some "rule of thumb" guidelines to go by.

tomzo commented 8 years ago

Hi @michaeloa

It seems like the agent cookbook here sets up 16? agents by default

Where did you got that idea? The cookbook provides a resource for any number of agents you like. Also you should try asking and searching for this type of problems on gocd user forum. This is just a chef cookbook, less community here and we'd rather keep discussions related to chef operations.

I also doubt there is a rule of thumb, other than keep server separate from agents. You'll want to deploy (and break) agents more often. Size really depends on workload patterns, as you said. E.g. I run 3 flavors of agents.