Miscellaneous questions
Michael S. Fischer
michael at dynamine.net
Tue Mar 18 00:07:59 CET 2008
On Mon, Mar 17, 2008 at 3:32 PM, DHF <varnish-list at itiva.com> wrote:
> This is called CARP/"Cache Array Routing Protocol" in squid land.
> Here's a link to some info on it:
>
> http://docs.huihoo.com/gnu_linux/squid/html/x2398.html
>
> It works quite well for reducing the number of globally duplicated
> objects in an multilayer accelerator setup, as you can add additional
> machines in the interstitial space between the frontline caches and the
> origin as a cheap and easy way to increase the overall ram available to
> hot objects without having to use some front end load balancer like
> perlbal, big ip or whatever to direct the individual clients to specific
> frontlines to accomplish the same thing ( though you usually still have
> a load balancer for fault tolerance ). Though in squid there are some
> bugs with their implementation ...
Thanks for the reminder. I'll file RFEs for both the static and CARP
implementations. I presume the static configuration will be done
first (if at all), as it's probably significantly easier to implement.
--Michael
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