[erlang-questions] use of sendfile

[Tony Finch]

On Thu, 8 Nov 2007, Torbjorn Tornkvist wrote:
>
> I just wrote a minimal sendfile linked-in driver. I compared the
> performance with a yaws server but didn't see any difference in
> performance. Is that expected ?

Sendfile is most useful when your working set is larger than RAM, because
it deals better with disk latency and buffer sharing between disk and
network code in the kernel.

Tony.
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