I have run iozone on my ubuntu 8.10 VM and it says:
random
random bkwd record stride
KB reclen write rewrite read reread read
write read rewrite read fwrite frewrite fread freread
4096 4 17520 49143 112222 94284 87115
44566 94074 50770 90387 17054 44816 104415 88611
... and that is unbearably slow. My debian etch VM is somewhat better:
random
random bkwd record stride
KB reclen write rewrite read reread read
write read rewrite read fwrite frewrite fread freread
4096 4 29559 80552 142286 144129 109956
73759 122737 86741 114894 28001 68013 128927 131687
..but viewing still very slow by a factor of 20, compared to my rPath
(a redhat-derived distro) 1.07 VM:
random
random bkwd record stride
KB reclen write rewrite read reread read
write read rewrite read fwrite frewrite fread freread
4096 4 475392 724942 1043308 1080466 1012386
768492 970375 1683570 972908 447357 693303 993935 1059245
Maybe in debian/ubuntu there is some kernel setting related to disk
I/O that I need to tweak? Anyone else seen this problem before?
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