Messages in this thread | | | Date | Thu, 19 Nov 1998 10:08:05 -0500 (EST) | From | "Richard B. Johnson" <> | Subject | Re: Linux V2.1.128 localhost performance |
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On Thu, 19 Nov 1998, Tigran Aivazian wrote:
> On Wed, 18 Nov 1998, Richard B. Johnson wrote: > > ... > > One can't `ping -f localhost` anymore either. Is this a bug or a > > feature? If a feature, was X considered? > ... > > Richard, > > I thought X uses PF_UNIX (UNIX domain) sockets rather than TCP to localhost > (unless one is insisting by doing DISPLAY=localhost:0.0), so although > performance degradation is always bad, X is not under any threat.
Yes you are correct.
> > I also noticed 98% packet loss when doing ping -f localhost on 2.1.127. > > Regards, > Tigran. > I noticed this in testing my new dual Pentium 400MHz machine. I have some network benchmark tools. To see the throughput without using the adapter and wire, i,e., see how the code itself works, I have been benchmarking localhost. I think the new "feature" makes Network Software performance un-testable.
Cheers, Dick Johnson ***** FILE SYSTEM WAS MODIFIED ***** Penguin : Linux version 2.1.128 on an i686 machine (400.59 BogoMips). Warning : It's hard to remain at the trailing edge of technology.
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