STressing a new server...
kline at tao.thought.org
Tue Jan 3 00:42:35 PST 2006
On Mon, Jan 02, 2006 at 10:06:52AM -0800, James Long wrote:
> A buildworld is indeed an excellent test of memory, CPU, drives
> and cabling.
> The memory tester is sysutils/memtest.
> It's not a very scientific test, but one thing I do is a
> make -j8 buildworld whilst I do a large tar operation,
> optionally with compression. Just anecdotally it appears
> that tar likes to use lots of memory. I usually do some
> sort of file system move, ala:
> tar jcf - original | tar xpvf - -C copy
> Make sure you have enough disk space to burn.
> This has caught dodgy memory on servers in the past.
Thanks for the tar pointer. Got to copy over /home here to
the new box and run several into /usr/tmp. Thanks to everybody
for ideas. I don't want to stress things until something
*melts*... but some reasonably hard use. I'm using three or
four benchmarks, and a couple of my own tests. xload and top
show that the results are a fair simulation of real-world use.
Should know by the 22nd!
Gary Kline kline at thought.org www.thought.org Public service Unix
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