varnish serve old object during refresh

Steve Webster steve.webster at
Wed Feb 8 10:59:48 CET 2012

On 8 Feb 2012, at 08:31, Per Buer wrote:

> On Wed, Feb 8, 2012 at 8:20 AM, Jaap van Arragon <j.vanarragon at> wrote:
> Is it even possible to server old objects while retrieving new ones or is there always one visitor that is experiencing slow images?
> There is always one poor sod.

This is unfortunate. Are there any plans to address this?

It would be nice to have grace mode be functionally equivalent to Squid's stale-while-revalidate, which will return stale content for all requests whilst kicking off an asynchronous revalidation request. It's easy to read about grace mode and assume it's doing the same thing, especially given the inevitable direct comparisons:



Steve Webster
Web Architect

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