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*Bonnie* is a simple filesystem benchmark which measures how fast it can read and write to a filesystem. These are results of bonnie runs that I've made on various machines. -- Main.TobyCabot - 30 Dec 2000 ---- Generic P133 64MB RAM, two HP 97560 (very old 5 1/4" full-height 1GB drives) on Adaptec ISA controller: <pre> Single disk: -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 918 85.0 1646 21.6 776 36.1 877 86.9 1859 82.1 33.6 5.6 -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU single H 512 903 90.8 1612 31.8 785 37.1 862 85.7 1777 78.6 18.9 4.6 </pre> 8k stripe across both disks: <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 2 disk 100 904 58.6 1886 35.6 831 61.4 775 80.9 1659 76.9 47.2 12.2 -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 2 disk 512 859 55.8 1826 56.3 794 53.5 843 86.7 1696 79.4 26.6 10.4 </pre> Running simultaneously on both disks, with a single file system on each one: <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 1 disk 256 447 33.2 1063 25.2 458 29.6 439 48.5 1041 47.4 19.1 3.9 -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 1 disk 256 454 32.3 1035 22.4 427 31.0 422 48.1 845 67.7 25.2 6.1 </pre> two-disk stripe on Adaptec 2940 PCI controller (with kernel compile on another disk). Compare this to the "8k stripe" result above. <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 1128 69.6 2111 12.9 1291 15.2 945 75.9 4160 19.7 31.1 1.7 </pre> Looks like the PCI controller is a win! WD 24300 Caviar 4.3G IDE hard drive <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 2334 87.6 3723 56.9 1419 11.0 2087 74.6 3089 11.3 131.4 3.8 </pre> P2 266 96MB ram, quantum bigfoot 4.3GB IDE <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 3653 90.2 5251 6.0 2590 7.9 3654 83.3 6113 5.2 61.2 0.9 </pre> Sony VAIO N505VE 64MB ram, celeron 333, 6GB IDE <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 4238 97.9 5507 7.2 2749 7.1 3505 79.0 5443 4.4 51.0 0.7 </pre> P2 266 96MB ram, maxtor 15GB IDE 5400 rpm <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 1563 86.6 2399 80.8 1109 85.7 1512 88.1 2248 85.0 66.9 20.0 </pre> Something's not right - these numbers suck! OK, managed to get dma enabled (don't know why I have to use hdparm) and now things look a little better: <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 2471 93.9 5956 87.6 2239 82.3 2148 89.5 3873 75.4 74.6 12.0 </pre> I'm still surprised as hell that the VAIO smokes this machine in so many categories. I guess it does have a lot more CPU than this machine does, but I wouldn't expect that to matter for block I/O. Go figure. P2 266 96MB, Western Digital Caviar 4.3GB as a slave on the same bus as the 15GB maxtor above: <pre> -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 512 2808 71.9 3124 5.6 1210 4.7 2386 55.5 3132 4.6 54.1 0.8 </pre> UDMA comes up enabled by default with this drive; seems to use very little CPU. I think that something's wrong with the DMA support on the maxtor drive.
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