From: Brian Candler <b.candler@...>
Date: 2010-09-16T23:15:06+09:00
Subject: Re: ruby-sendfile 0.9.1

Amit Tomar wrote:
> will it be useful for large file download ???

You are re-opening a four-and-a-half year old thread ???

If you want to know what sendfile does, have a look at the sendfile(2) 
manpage. Basically, it allows a process to tell the kernel to copy data 
between two open file descriptors (like a file and a socket), without 
having to slurp the data from kernel into userland and back into kernel 
again.
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