varnish use case, something like an ebay listing page
Paul A. Procacci
pprocacci at datapipe.com
Tue Sep 25 22:15:44 CEST 2012
`Bidding` has to retain realtime updates in order to provide realtime
data to the participants of said bid. IMHO, you don't want varnish
caching this value at all.
What I would consider is caching the page as per normal, but consider
This allows you to retain caching most of the page, while controlling
the truly dynamic parts of your page that must be shown in realtime.
On Tue, Sep 25, 2012 at 03:58:18PM -0400, S Ahmed wrote:
> An ebay listing page is a page that will have many reads, and at the
> same time it will experience a high load of updates also.
> So someone lists an item on ebay, and people will keep checking the
> page constantly, but near the end of the listing people will start
> bidding on the page (invalidating the cache).
> So whenever someone bids, I would write that to a queue, and then I
> would somehow send a call to varnish to expire the page correct?
> This could result it many calls to varnish per second, is there a
> reasonable # of requests per second that varnish can handle? 10 per
> second, 100, 1000?
> Is there a better way to do this?
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
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