I'd like to second that. Thank you all for pursuing these questions, I'm following them with great interest! -oma
On Oct 6, 5:37 pm, Chris Hanks <[email protected]> wrote: > Thanks for looking into this stuff, Ben. > > On Oct 5, 11:33 am, Thomas Balthazar <[email protected]> wrote: > > > > > Hello Ben, > > > I just read you were about to talk to the Varnish specialist at Heroku. > > I would really appreciate if you took the time to help me to find the > > answer to those 2 unanswered questions about Varnish and caching > > :http://groups.google.com/group/heroku/browse_thread/thread/8e39658d53...... > > > Thanks in advance for your help! > > Thomas. > > > On Tue, Oct 5, 2010 at 7:52 PM, Ben Scofield <[email protected]> wrote: > > > Not sure why this didn't come through earlier, but: > > > > I tried out a few experiments, and it looks like our setup doesn't > > > interfere with this default behavior. I'm going to talk to someone > > > with more intimate knowledge of our Varnish config to confirm that, > > > but so far it looks promising. > > > > Ben > > > > On Oct 5, 12:00 pm, Chris Hanks <[email protected]> wrote: > > >> Is anyone from Heroku around that might know how their setup works? > > > >> On Oct 2, 8:42 pm, Chris Hanks <[email protected]> wrote: > > > >> > I'm wondering about Heroku's use of Varnish. Suppose I have a page > > >> > that is expensive to produce (lots of database queries) but can be > > >> > cached in Varnish. Right after Varnish's copy expires, if it's very > > >> > popular, I might have a dozen people accessing it simultaneously > > >> > before the newly created version can be stashed in Varnish. > > > >> > So, based on a thread I found (http://www.gossamer-threads.com/lists/ > > >> > varnish/misc/14750) it looks like Varnish is smart enough by default > > >> > to only send that expensive request to my backend once, and serve up > > >> > the response to all the people waiting for it (to prevent a dogpiling > > >> > effect). But I know that Heroku has its own configuration for Varnish > > >> > (with lots of servers in a hash ring), and I was wondering whether > > >> > it's still set up to do this. > > > >> > Thanks! > > > > -- > > > 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]. > > > For more options, visit this group > > > athttp://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]. For more options, visit this group at http://groups.google.com/group/heroku?hl=en.
