>>>>> "Mike" == Mike Papper <[email protected]> writes:
Mike> I am talking about Rails standard page-caching mechanism. Rails by
default
Mike> puts full pages into public/... and if mongrel sees them there, it
serves
Mike> them (without running rails dispatch et al). This is fine for normal
but not
Mike> good for the bot user agents.
right, so that's what I thought you were talking about.
Only, it's not mongrel that serves up the pages, but Apache, usually.
In your apache config, you have something like:
# Rewrite all non-static requests to cluster
RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
RewriteRule ^/(.*)$ balancer://spartan_cluster%{REQUEST_URI} [P,QSA,L]
which basically serves up any files found in /public, otherwise, punts
to the mongrel. I thought that rails put the files directly there for
apache to use/see. (there are caveats if your mongrel and apache do not
share the same file system, such as because they are on different machines)
If you are telling me that actually mongrel does this, it's news to me.
Mike> Here is a new solution:
Mike> 1) set rails to cache in public/cache
Mike> 2) Use Apache rewrite to serve these files directly (if found)
Mike> 3) If not found, pass to mongrel which will not find the cached files
either
Mike> since MONGREL ONLY LOOKS IN public for cached files. Mongrel does
not honor
Mike> the config.action_controller.page_cache_directory rails setting
Mike> 4) Rails processes the file and puts it into public/cache/...
Mike> ...on the next request, apache serves from cache.
Mike> I am working on the reqwrite rules etc. for this.
So, basically have apache pick a different cache location when it sees a
robot.
--
Michael Richardson <[email protected]>
Director -- Consumer Desktop Development, Simtone Corporation, Ottawa, Canada
Personal: http://www.sandelman.ca/mcr/
SIMtone Corporation fundamentally transforms computing into simple,
secure, and very low-cost network-provisioned services pervasively
accessible by everyone. Learn more at www.simtone.net and www.SIMtoneVDU.com
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