As the document you point to indicates, 300MB is the hard limit.  We
automatically kill any dyno using more than 300MB.

Oren

On Wed, Mar 10, 2010 at 12:10 PM, Chris Hanks <christopher.m.ha...@gmail.com
> wrote:

> No, I'm familiar with http caching, and it's not what I'm looking to
> do. Thanks anyway, though.
>
> What I'm doing is actually not that complex. MongoMapper already has
> an identity map, I'll just be tweaking it to persist between requests.
> And I'm only doing this for a few of my models (ones that are accessed
> somewhat randomly by id several times per request, and whose records
> are only modified during site maintenance anyway). It's not like I'm
> trying to write my own caching system from scratch.
>
> Anyway, can someone verify that 300 MB is the maximum RAM available
> for a dyno? I don't expect to get near it anytime soon, but it would
> be helpful to know.
>
> Thanks!
>
>
>
> On Mar 10, 11:36 am, Carl Fyffe <carl.fy...@gmail.com> wrote:
> > Chris,
> >
> > Will this work for you?http://docs.heroku.com/http-caching
> >
> > Carl
> >
> > On Wed, Mar 10, 2010 at 2:22 PM, Chris Hanks
> >
> >
> >
> > <christopher.m.ha...@gmail.com> wrote:
> > > On Mar 9, 10:40 pm, Chris Hanks <christopher.m.ha...@gmail.com> wrote:
> > >> I'm interested in this too. I have several thousand MongoDB documents
> > >> that are read-only and frequently accessed, so I figured I'd just
> > >> cache them in the dyno's memory to speed up requests.
> >
> > >> So is 300 MB the hard limit for each dyno's RAM, then? I suppose that
> > >> if it grows beyond that point, the dyno is restarted?
> >
> > > Does anyone have an answer for this? Thanks in advance!
> >
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