Re: web server (and TCP) performance tuning?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Jun 13 2000 - 07:16:13 EST


> If we assume 4000 descriptors in the select version and

Select is limited to 1024 unless someone fixed something I missed.

> enabling/disabling delayed acks, etc? The same program on
> a different operating system gets about 50% higher performance.
> I'm sure I'm overlooking something small. Any suggestions
> would be appreciated.

Without knowing more about the setup its hard to guess. Fo example
if you are running 2.2 on an SMP box then 50% under Solaris sounds
about right. Come 2.4 we hope it'll be a few % over solaris but 2.2
has bottlenecks there

Alan

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