Handling graced objects between varnish servers.
Jeff Anderson
jeff at funnyordie.com
Fri May 1 17:08:47 CEST 2009
Sorry. You answered that question below. I was hoping to capture
graced object statistics and potentially manipulate headers of an
object if it is graced.
On Apr 30, 2009, at 12:16 AM, Poul-Henning Kamp wrote:
> In message <6D6E4F5A-B9D6-41EB-9B08-27AFEC5D49DB at funnyordie.com>,
> Jeff Anderson
> writes:
>
>> How long can I cache objects and keep them
>> available as graced objects?
>
> As long as you want.
>
>> If a front end varnish cache receives an
>> object from a downstream varnish cache that was served as a graced
>> object will the front end varnish cache declare it invalid? If so is
>> there a way to bypass that invalidation?
>
> There is no indication passed along that an object is graced, so
> the downstream varnish sees it just like any other object and will
> interpret its validity based on the headers.
>
> --
> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG | TCP/IP since RFC 956
> FreeBSD committer | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by
> incompetence.
--Jeff
jeff at funnyordie.com
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