Handling graced objects between varnish servers.

[Jeff Anderson]

Is there a way to tell or flag set if the fetched object is a graced  
object?


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