Re: Is Squid slowing down?

From: Stephane Bortzmeyer <bortzmeyer@dont-contact.us>
Date: Thu, 05 Feb 1998 10:23:04 +0100

On Wednesday 4 February 1998, at 16 h 4, the keyboard of Alex Rousskov
<rousskov@nlanr.net> wrote:

> 1) Do not use mean for average response time; it is virtually meaningless.
> Use median instead.

I agree 100 %. The rationale is that the Internet is extremely variable.
If you get 0.1 s four times and a routing accident gives you 2.0 s one
time, the average will be 0.5 s (just one spike and you destroy the whole
sequence) and the mean 0.1 s, which gives a better idea of typical
response times.

Ad: echoping <ftp://ftp.pasteur.fr/pub/Network/echoping> displays mean
and average. I use it to monitor Web and Squid response times. (For
instance <http://monitor.internatif.org/web.html>.)
Received on Thu Feb 05 1998 - 01:25:15 MST

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