sendfile surprise

Poul-Henning Kamp phk at
Mon Aug 7 12:24:18 CEST 2006

In message <41767.1154944127 at>, "Poul-Henning Kamp" writes:
>I had tacitly assumed that sendfile(2) would be faster than
>a write, but it may no be while data is still in RAM.
>While working on the slow client timeout, I have taken sendfile
>out for now and as a result I see the Alteon loading us with
>up to 1500 req/s, which I take to mean that our responsetime is
>better now.
>The stats don't quite confirm that this is the case, but we don't
>actually record "time to first packet goes out" so the alteon
>may see things differently than us.

Actually, come to think of it, it's monday morning, the day
after vacation, I guess the traffic might just be more intense
now ?

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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