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

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Mon, 02 Aug 2010 00:15:19 +0000

On Sun, 1 Aug 2010 11:52:13 -0400, david robertson <dr_at_nevernet.com>
wrote:
> 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?

because they are not squid configuration options.
They are HTTP/1.1 protocol options for improving cacheability:

http://tools.ietf.org/html/draft-nottingham-http-stale-while-revalidate-01
http://tools.ietf.org/html/draft-nottingham-http-stale-if-error-01

(I'm
Amos
Received on Mon Aug 02 2010 - 00:15:22 MDT

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