Re: [squid-users] How does Squid prevent stampeding during a cache miss?

From: Henrik Nordström <henrik_at_henriknordstrom.net>
Date: Mon, 02 Aug 2010 21:36:17 +0200

sön 2010-08-01 klockan 11:52 -0400 skrev david robertson:
> On Sun, Aug 1, 2010 at 1:12 AM, Amos Jeffries <squid3_at_treenet.co.nz> wrote:
> > If stampeeding is a worry the stale-if-error and stale-while-revalidate
> > Cache-Control: options would also be useful (sent from the origin web
> > server). These are supported by 2.7.
>
> Question - why aren't these options documented anywhere? Also, why
> can't we set this in squid itself, rather than messing with
> Cache-Control headers?

You can override them from squid.conf as well. But it's recommended to
use Cache-Control if possible as this places the configuration where it
really belongs and can best be controlled at the desired detail.

http://www.squid-cache.org/Versions/v2/2.7/cfgman/refresh_pattern.html

Regards
Henrik
Received on Mon Aug 02 2010 - 19:36:21 MDT

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