RE: sendfile+zerocopy: fairly sexy (nothing to do with ECN)

Antonin Kral (A.Kral@sh.cvut.cz)
Mon, 29 Jan 2001 17:34:37 +0100 (CET)


> > Throughput: 100Mbps is really nothing. Linux never had a problem with
> > 4-500Mbps file serving. So throughput is an important number. so is
> > end to end latency, but in file serving case, latency might
> > not be a big deal so ignore it.
>
> If I try to route more than 40mbps (40% line utilization) through a 100mbps
> port (tulip) on a 2.4.0-test kernel running on a pIII 500 (or higher)
> system, not only does the performance drop to nearly 0, the system gets all
> sluggish and unusable. This is with or without Jamal's FF patches.
>
> How are you managing to get such high throughput?
>

I have used 2.2.13 to 2.2.18 and 2.4.0, for first approach, with no
patches and with no probles I managed bandwidth about 200 and 300 Mbps

Antonin

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