Solaris & Linux memory stress test?

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07-20-2009

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Solaris & Linux memory stress test?

I'm looking for a script or some other application that will use up a lot of memory on a Solaris or Linux server, in order to test a monitoring application. So far I have found a script that's good for CPU usage but it does nothing for memory. I have also tried the application called 'stress' (found here) but either it isn't using up enough memory to hit the monitoring threshold, or I'm not using it right, or it's just not suited to this kind of test.

So far the only method I have found is just lowering the threshold enough for an alarm to get sent, but that kinda seems like cheating n_n

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LEARN ABOUT CENTOS

ffcfstress

ffcfstress(1)						      General Commands Manual						     ffcfstress(1)

NAME

       ffcfstress - constant force stress test for force-feedback devices

SYNOPSIS

       ffcfstress [-d <device>] [-u <update rate>] [-f <frequency>] [-a <amplitude>] [-s <strength>] [-x <axis>] [-A] [-o]

DESCRIPTION

       ffcfstress  stress  tests  constant non-enveloped forces on a force feedback device.  It simulates a moving spring force by applying a fre-
       quently updated constant force effect.

       Beware, the stress test may damage your device!

OPTIONS

       At least one option is required.

       -d <device>
	      The device to test (by default /dev/input/event0).

       -u <update rate>
	      The update rate in Hz (25 by default).

       -f <frequency>
	      The spring center motion frequency in Hz (0.1 by default).

       -a <amplitude>
	      The spring center motion amplitude, between 0.0 and 1.0 (1.0 by default).

       -s <strength>
	      The spring strength factor (1.0 by default).

       -x <axis>
	      absolute axis to test (default: 0)
	      [0 = X, 1 = Y, 2 = Z, 3 = RX, 4 = RY, 5 = RZ, 6 = WHEEL]

       -A     switch off auto-centering

       -o     Dummy option, useful when all defaults should be used.

SEE ALSO

       ffmvforce(1), fftest(1), jstest(1).

AUTHOR

       ffcfstress was written by Oliver Hamann.

       This manual page was written by Stephen Kitt <steve@sk2.org>, for the Debian GNU/Linux system (but may be used by  others).   It  was  last
       modified for ffcfstress dated February 15, 2002.

ffcfstress							   March 8, 2009						     ffcfstress(1)