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From: Dirk-Willem van Gulik <dirkx@webweaving.org>
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In-Reply-To: <C40EC4E9.AB502%Brian.Akins@turner.com>
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Subject: Re: mod_disk_cache and atimes
Date: Wed, 26 Mar 2008 15:43:57 +0100
References: <C40EC4E9.AB502%Brian.Akins@turner.com>


On Mar 25, 2008, at 8:04 PM, Akins, Brian wrote:

> Use really small files so you won't fill up pipe.  Using 1 1x1 gif,  
> I run
> out of CPU before I run out of bandwidth.

Agreed. This is what I was working on.

> My cache size is smaller and is in /dev/shm.


In that case - you are not going to see any delta with a mem-disk or  
real disk :). I am hoping that mod_mem_cache can be made faster though  
-- as it can in theory dispense with a lot more than just mod_memmap.  
But the footprint of the bucked-brigades seems such that it barely  
matters (and I am right now stuck on the CPU which has the ethernet  
card its IRQ beeing way too afine).

Dw