I guess I am just used to using passenger which uses a global queue,
making a single long running request a non issue.



On Feb 16, 11:57 am, Neil Middleton <[email protected]> wrote:
> Is it, but you have a healthy dyno. If the dyno crashes, or hangs somehow, it 
> gets removed.
>
> Neil Middletonhttp://about.me/neilmiddleton
>
>
>
>
>
>
>
> On Wednesday, 16 February 2011 at 16:55, Tim W wrote:
> > Thanks, I will give rack-timeout a try.
>
> > So what it seems like is that the routing mesh is not as sophisticated
> > as Heroku leads on?
>
> > On Feb 16, 11:45 am, Neil Middleton <[email protected]> wrote:
> > > The dyno is still running the long request, successfully. It's only the 
> > > routing mesh that's returned the timeout error back to the user. 
> > > Therefore, the dynos still in your 'grid' and ready for new requests.
>
> > > I blogged about something very similar a couple of weeks 
> > > back:http://neilmiddleton.com/avoiding-zombie-dynos-with-heroku
>
> > > Neil Middletonhttp://about.me/neilmiddleton
>
> > > On Wednesday, 16 February 2011 at 16:42, Tim W wrote:
> > > > The Heroku website claims:
>
> > > >http://heroku.com/how/dyno_grid_last#3
> > > > "If a dyno is unresponsive for any reason (user bugs, long requests,
> > > > or high load), other requests will be routed around it."
>
> > > > In my experience, this does not seem to be the case. We have several
> > > > admin features in our app that when requested with certain params, it
> > > > can take longer then 30s to run. (I am working on ways to get these in
> > > > check and in the background). When a user trips one of these long
> > > > running requests, Heroku appears to queue additional requests to this
> > > > dyno and those requests time out, even though there are plenty of
> > > > other dynos available to handle that request.
>
> > > > Is the statement on the Heroku website true or false? It does not
> > > > appear that Heroku actively monitors the dynos to see if they are busy
> > > > with a long running request. Is there a better way to handle this
> > > > situation?
>
> > > > Thanks..
> > > > -tim
>
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