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From Brian Pane <>
Subject Re: ab.c versionining was Re: cvs commit: httpd-2.0/support ab.c
Date Wed, 01 May 2002 07:50:19 GMT
Justin Erenkrantz wrote:

>On Tue, Apr 30, 2002 at 11:41:57PM +0200, wrote:
>>-1	on anything which
>>	-> shows in the output of AB of versions of AB which -can-
>>	   be compared different version numbers
>Personally, I think that is your logical fallacy.  I don't believe
>you can reliably compare results of ab from anything but the same
>binary under the same conditions.  -- justin

Agreed.  Even the same binary of ab can perform so differently with
different versions of a kernel/libc/libsocket/etc that even a matching
version number in two ab test runs is no guarantee of consistent results.


+1 on removing the version number from the default output of
   ab and replacing it with a short disclaimer reminding the
   user not to compare apples with oranges.


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