Last-Modified, IMS, 304 and ESI includes
hugues.alary at gmail.com
Fri Oct 26 20:18:10 CEST 2012
Thanks for the information!
On Fri, Oct 26, 2012 at 12:15 AM, Per Buer <perbu at varnish-software.com>wrote:
> Hi Hughes.
> On Thu, Oct 25, 2012 at 8:49 PM, Hugues Alary <hugues.alary at gmail.com>wrote:
>> Hi there,
>> I've been reading a lot about the Last-Modified header, IMS, 304
>> responses and ESI, on various websites and mostly on the Varnish trac
>> because I'm trying to solve the following problem:
>> All the pages on my website contain ESI includes. I'd like the pages to
>> have their Last-Modified header set to the Last-Modified of
>> the youngest ESI include contained in the page.
> This is well known weakness, I'm afraid.
>> All the documentation I read seem to indicate that it has been more or
>> less on the roadmap for the last few years, I even saw some patches
>> floating around, but all that stuff seems pretty old and I'm using Varnish
>> 3.0.2 and could even use 3.0.3.
>> Is there any way to achieve that? Does the experimental-IMS branch solves
>> this "problem"? If yes, is it too experimental for production use?
> Currently I don't know any reliable way of doing it. The IMS branch is
> based of trunk code so whether it is stable enough is dependent on your
> usage. Also, I don't know if it actually addresses the ESI/IMS issue.
> I have the feeling that it is not possible at the moment, but I'd really
>> like to have this feature as it would fairly improve the performances of my
> It would have to implemented first.
> <http://www.varnish-software.com/> *Per Buer*
> Varnish Software
> Phone: +47 958 39 117 | Skype: per.buer
> We Make Websites Fly!
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