Now you've got the complex qusetion. :) What does "usage" mean. Usually, you want to scale your dynos when the backlog starts to build up. you can see the backlog by looking a the HTTP_X_HEROKU_QUEUE_DEPTH header (check out http://rack-reflector.heroku.com/ to see all the headers). If you're using external services, or you're DB bound though, cranking the dyno won't help. It's a good first step to take a look at though.
Oren On Sat, Jan 16, 2010 at 3:09 PM, holden <[email protected]> wrote: > Awesome. One last question, what metrics or tool could I used to > determine what my app's current usage is? I tried searching around > this group but only found an empty thread: > > http://groups.google.com/group/heroku/browse_thread/thread/201f1e6feecc8dab > > If someone could point me in the right direction I'd be grateful. > > Thanks, > > holden > > On Jan 16, 11:44 pm, Oren Teich <[email protected]> wrote: > > Nope, you're missing nothing. You can 100% do that, and we have > customers > > doing that already. For fun recursion, you can include the heroku gem in > > your app, and just call heroku dynos X from you app itself. :) > > > > Oren > > > > On Sat, Jan 16, 2010 at 2:15 PM, holden <[email protected]> wrote: > > > Or potentially you could even write your own app to auto-scale a > > > heroku app yourself based solely on your own usage? ie if the app > > > maxes out its resources it can simply spawn a new dyno... etc. > > > > > Or am I missing something? > > > > > On Jan 16, 11:11 pm, holden <[email protected]> wrote: > > > > So, a cheap man (wise also) could use heroku's API to auto throttle > > > > the dynos each day? > > > > > > Say, his app is for whatever reason, US centric, or even pacific time > > > > zone only, he could then target a certain set of hours, 8-5 and set > > > > the 8 dynos to the ready at 7:59am, and then then come 5 o'clock mark > > > > it back down to 1, skipping sat and sunday altogether and netting a > 15 > > > > hour a day savings? > > > > > > Thanks, > > > > > > holden > > > > > > On Jan 16, 9:41 pm, Chris Hanks <[email protected]> > wrote: > > > > > > > Yes, dynos are billed hourly, but I think he was asking whether he > > > > > gets billed if the dynos sit there unused. The answer is yes - if > you > > > > > set the dynos to 8, you'll be paying 35 cents an hour regardless of > > > > > how much traffic they're actually processing. > > > > > > > On Jan 16, 12:24 pm, Terence Lee <[email protected]> wrote: > > > > > > > > The latter, once you setup a dyno you're getting build hourly for > it. > > > > > > > > On Sat, 2010-01-16 at 10:29 -0800, holden wrote: > > > > > > > I have a newb question, but I'm a bit confused on the pricing > since > > > it > > > > > > > states on the pricing page "estimated monthly cost." I'm not > sure > > > how > > > > > > > to phrase my question except as an example: > > > > > > > > > If I start a new app, and say I allocated 8 dynos for it, > because > > > I'm > > > > > > > ambitious that I'm sitting on the next big thing. But lets say > my > > > app > > > > > > > dives and everyone who uses it hates it and leaves immediately, > and > > > > > > > really I could have gotten by with 2 dynos. Once I crank the > dynos > > > > > > > are they constantly up and getting billed? Or are they smart > > > little > > > > > > > dynos that only spring into action as the need arises? > > > > > > > > > Thanks for your patience. > > > > > > > > > holden > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Heroku" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<heroku%[email protected]> > <heroku%[email protected]<heroku%[email protected]> > > > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/heroku?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Heroku" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<heroku%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/heroku?hl=en. > > > >--
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