iozone测试Lustre得到的数据
千兆网络环境,得到的iozone测试数据,高得离谱,不知道是为什么???
Iozone: Performance Test of File I/O
Version $Revision: 3.308 $
Compiled for 32 bit mode.
Build: linux
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root.
Run began: Tue Sep 2 17:28:39 2008
Auto Mode
Cross over of record size disabled.
Include close in write timing
Excel chart generation enabled
Using maximum file size of 3145728 kilobytes.
Command line used: iozone -azcR -g 3G -f /mnt/testfs/client/test.ts -b exceloutput.xls
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
随机读的测试数据如下:
其中第1行为记录块的大小(KB),第1列为文件的大小(KB),其余的为I/O速率
(KB/S)
Random Read Report
4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384
64 222222 192771 237037 267782 292237
128 172972 267223 360563 433898 479400 520325
256 194381 320400 475836 633663 750733 785276 844884
512 215035 367288 569521 797507 1001957 1142857 1221957 1213270
1024 218476 385107 638802 925022 1183814 1406593 1501466 1471264 1256441
2048 216627 397901 641001 945521 1250305 1487291 1618972 1577812 1278402 1011357
4096 307046 393921 653999 959925 1280000 1529499 1676627 1609430 1231509 1010609 1002938
8192 226354 400312 650055 994174 1314927 1579942 1738908 1694312 1245174 1003429 1010609 1042239
16384 261453 416069 713122 1019222 1353043 1636763 1807391 1764946 1259242 1023488 1055126 1056010 1077752
32768 238640 439951 824144 1049482 1510602 2051590 1810386 1980657 1399923 1089615 1080631 1080703 1077894
65536 234022 431373 747965 1129814 1433954 1965981 2061399 2273266 1427550 1101704 1093542 1098049 1094126
131072 240000 428377 752124 1168543 1583855 1996131 2238366 2473523 1512956 1139102 1131589 1131433 1133380
262144 254623 464155 771383 1194887 1678140 2235922 2461607 2654891 1565319 1170761 1161584 1166634 1164432
524288 248900 459457 791658 1222244 1780512 2203992 2698106 2780896 1589040 1185450 1171082 1174680 1176826
哪位高手帮忙解释一下,谢谢!!
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感觉目前还不是很理想