Package: apache2-utils
Version: 2.2.9-10+lenny4
Severity: important
The man page for 'ab' states the following:
-n requests
Number of requests to perform for the benchmarking session. The
default is to just perform a single request which usually leads to
non-representative benchmarking results.
Several tests have confirmed that this is not true. It would seem, -n
allows you to specify the number of responses 'ab' receives before it
stops sending requests. For -c 1, ab conforms with the above statement.
But for -c > 1, in practice, ab sends about half the number of -c
more requests than it should. Examples:
ab -c 16 -n 1000
# of request sent
1008
ab -c 100 -n 100000
# of request sent
100048
I see two solutions to this problem. The preferred one is to modify
'ab' to only send the desired number of requests. The other is to change
the documentation.
-- System Information:
Debian Release: 5.0.2
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.21.7-2.fc8xen (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages apache2-utils depends on:
ii libapr1 1.2.12-5 The Apache Portable Runtime Librar
ii libaprutil1 1.2.12+dfsg-8+lenny3 The Apache Portable Runtime Utilit
ii libc6 2.7-18 GNU C Library: Shared libraries
ii libssl0.9.8 0.9.8g-15+lenny1 SSL shared libraries
apache2-utils recommends no packages.
apache2-utils suggests no packages.
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