On 9 Sep 2010, at 23:44, Shane Warner wrote:

> Maybe using -memcache would give you a nice performance increase.

With 1.5.x, the performance difference between disk cache and memcache is 
significantly smaller, particularly in use cases which see a large percentage 
of cache hits (such as this one).

I made significant changes to the way we use the Linux page cache and interact 
with the backing filesystem, so that our performance when serving files which 
are held in the local disk cache approaches that of the cache filesystem 
itself, rather than being several orders of magnitude slower.

Cheers,

Simon.

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