Understanding persistent storage

Yang Zhang yanghatespam at gmail.com
Tue Apr 19 09:07:33 CEST 2011

Thanks.  Out of curiosity, the file stevedore is documented with:
"file: mmap's a file and uses it for storage" - why can't this be made
persistent?  And what's the difference from -s persistent?

On Mon, Apr 18, 2011 at 11:53 PM, Traian Bratucu
<traian.bratucu at eea.europa.eu> wrote:
> There is no persistent cache in varnish. At least, not yet.
> -----Original Message-----
> From: varnish-misc-bounces at varnish-cache.org [mailto:varnish-misc-bounces at varnish-cache.org] On Behalf Of Yang Zhang
> Sent: Tuesday, April 19, 2011 2:47 AM
> To: varnish-misc at varnish-cache.org
> Subject: Re: Understanding persistent storage
> Hi, we're reconsidering using Varnish again, and this question I posted 4 months ago is the biggest blocker for us.  We've been using Squid for a while, but it doesn't have collapsed forwarding, which we need (and Varnish provides).  But we also need a persistent cache.
> We're ready to roll our own caching proxy, but if Varnish already provides persistence, then that would be a huge boon.  We tried playing around with Varnish -s persistent 4 months ago but it didn't seem to be what the name implied.
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Yang Zhang

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