Zitat von Dariush Pietrzak <[email protected]>:
Just out of curiousity i use my kernel crash-test setup to test with "stress" and "bonnie". I simply use the OpenVZ-Kernel with two container (ubuntu-10.04) and let one run stress and the other bonnie. The load is at 15 but the machine is humming along since around 4 hours...With such low load we also couldn't crash it in timely matter. With lightly loaded machines we endured months without crash. I use this: stress -c 22 -i 24 -m 8 -d 20 --hdd-bytes 10G and this: while (true) do bonnie++ -d /fs/v/bonnie/ -c 8 -b -f -u root echo next done in parallel, I don't even have to run it inside containers. (test machine is single 4-core Xeon E5320, with 4G ram and two 146G raid 1s joined by lvm. With loadavg 50-80 we get crashes after few hours).
So i tried loading the kernel harder. With a load of about 48 it was still stable, if i raise the number for c,i,m,d even more, the OOM killer jumps in and from that point the whole machine freeze, but does not panic???
Regards Andreas
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