Watching how players in the space are evolving how and what they bill for is interesting.<p>I think that charging by host is a lot easier for general buyers to understand and things generally average out.<p>I was recently also interested by the new signalfx pricing model - its really priced by metric volume but they sell it by host. When you peel back the covers they&#x27;re just including a certain amount of metric volume with each host and your actual bill will vary.<p>Obviously underlying costs are tied to the amount of metrics, not the amount of hosts.<p>We are using Datadog for a bunch of stuff right now, and we generally like it. The per-host pricing model does get a bit hard to swallow especially when you have a bunch of really small hosts. Your monitoring bill can start to approach your hosting bill :)