From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nikita Danilov <Nikita@Namesys.COM>
Subject: Re: reiser4 snapshot
Date: Tue, 23 Dec 2003 16:07:07 +0300
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	<3FE83374.8070803@Rotanovs.com>
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To: Viktors Rotanovs <Viktors@Rotanovs.com>
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Viktors Rotanovs writes:
 > Nikita Danilov wrote:
 > 
 > > > Also, does lack of sendfile in the current snapshot mean that Apache 
 > > > will lose in performance when serving from Reiser4 partition?
 > >
 > > Hmm, what Apache uses sendfile for?
 > 
 > 
 > It uses it to send static content to client. Quote from Apache 2 docs:
 > 
 > "In situations where Apache 2.0 can ignore the contents of the file to 
 > be delivered -- for example, when serving static file content -- it 
 > normally uses the kernel sendfile support the file if the OS supports 
 > the |sendfile(2)| operation."
 > 
 > "On most platforms, using sendfile improves performance by eliminating 
 > separate read and send mechanics."

Current reiser4 will be slower than hypothetical reiser4-with-sendfile,
but not necessary slower than, say, ext3.

 > 
 > Best Wishes,
 > Viktors
 > 

Nikita.