I've tested this on hardy (i386) with all updates installed. The only
difference I can see at a glance is i386 vs amd64 with regards to testing this.
I've tested with the same method as Kees, in that
/etc/apache2/sites-enabled/000-default has:
<VirtualHost *>
ServerAdmin webmas...@localhost
RLimitCPU 2 2
...
The apache2 process was restarted with /etc/init.d/apache2 restart, with the
same CGI script installed.
After hitting the URL, the process is definitely running without being killed,
and the limit has been set on that child process:
:0:> sudo cat /proc/2089/limits
Limit Soft Limit Hard Limit Units
Max cpu time 2 2 ms
With this, the kernel doesn't appear to be killing the process quickly,
however I suspect that this is due to system time vs CPU time - the
example given spends a fair bit of time forking processes, but once it
reaches 0:02.00 in top, the kernel kills the process, even though about
a minute of wall clock time has elapsed.
--
RLimitCPU has no effect in Apache
https://bugs.launchpad.net/bugs/394350
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