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From "josh rotenberg" <joshrotenb...@gmail.com>
Subject Re: store_headers in memcache and diskcache
Date Wed, 06 Feb 2008 21:25:49 GMT
if it helps at all, here was my attempt at a working
mod_memcached_cache. i've been meaning to look at it again and do some
cleanup/testing/benchmarking/etc, haven't had the chance though.



On Feb 5, 2008 11:17 AM, Dirk-Willem van Gulik <dirkx@webweaving.org> wrote:
>
>
> On Feb 5, 2008, at 7:58 PM, Colm MacCarthaigh wrote:
>
> > On Tue, Feb 05, 2008 at 01:49:43PM -0500, Garrett Rooney wrote:
> >> On Feb 5, 2008 1:45 PM, Dirk-Willem van Gulik
> >> <dirkx@webweaving.org> wrote:
> >>> Caching experts --  why do memcache and diskcache have seemingly
> >>> quite
> >>> different caching strategies when it comes to storing the headers ?
> >>> E.g. the cache_object_t * is populated with the status/date/etc data
> >>> in memcache - but not in disk-cache. Is this work in progress or
> >>> subtle design ?
> >>>
> >>> I am trying to understand (got  a working mod_memcached_cache.c* --
> >>> and cannot quite get the right VARY behaviour).
> >>
> >> If I had to guess I'd say it's because people have actually been
> >> working on disk cache, while mem cache has been largely ignored for a
> >> while.
> >
> > Definitely! I remember the original patches tried to create some nice
> > abstractions so that more logic would move into mod_cache propery than
> > in mod_*_cache, but there turned out to be so many corner cases within
> > mod_disk_cache itself - and noone seems to /use/ mod_mem_cache - that
> > that fell by the wayside :/
>
> Thanks ! That is useful info -- so for now I'll focus on
> mod_disk_cache -- and once I got that mapped to mod_memcached -- will
> then see if we can abstract that into a cleaner mod_memcache. But
> first priority is getting it clean-ish/same-ish relative to the ssl
> use of memcached (my usecase is OpenID -- which is 'heavy' on both).
>
> Dw
>

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