Iozone: Performance Test of File I/O Version $Revision: 3.483 $ Compiled for 64 bit mode. Build: linux-AMD64 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, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa, Alexey Skidanov, Sudhir Kumar. Run began: Sun Feb 25 00:34:55 2024 Auto Mode Machine = Linux oleg351-client.virtnet 3.10.0-7.9-debug #1 SMP Sat Mar 26 23:2 Excel chart generation enabled Excel chart generation enabled Verify Mode. Pattern dbdbdbdb Performance measurements are invalid in this mode. Using maximum file size of 102400 kilobytes. Using Maximum Record Size 512 kB Command line used: iozone -a -M -R -V 0xab -g 100M -q 512k -i0 -i1 -f /mnt/lustre/d4.lustre-rsync-test/d0.iozone-oleg351-client.virtnet/iozone-file 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. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 64 4 23324 38464 380864 615952 64 8 25766 64329 780776 477808 64 16 32633 66878 1124074 1183548 64 32 45452 146781 1304314 1648808 64 64 47868 182261 1933893 1991276 128 4 25432 35585 316028 391646 128 8 33951 59893 609522 761728 128 16 59128 95024 969421 1332828 128 32 67371 130093 1504659 1663139 128 64 76654 217285 1755594 1048974 128 128 90385 242839 1802755 1905110 256 4 27379 35481 556687 569985 256 8 55436 76012 507006 886067 256 16 73288 91104 837026 937924 256 32 95555 161202 1327564 1206714 256 64 92453 220897 1552085 1683493 256 128 117108 295975 1855098 2015259 256 256 127042 262798 2192179 2170027 512 4 30381 39104 346882 493242 512 8 53923 56146 779258 978885 512 16 66502 101990 898225 1049187 512 32 112878 120073 1218910 1071167 512 64 131724 252948 1505098 1551867 512 128 161152 238349 1501940 1589779 512 256 178781 355260 1999881 1931527 512 512 177657 367795 1560891 1809465 1024 4 29868 44388 583808 499484 1024 8 53497 52996 731455 876737 1024 16 81103 96520 1235319 1149061 1024 32 113741 152267 1358390 1146607 1024 64 162825 235459 1572783 1652033 1024 128 198484 293075 1326096 1418508 1024 256 203941 295434 1319577 2031864 1024 512 216449 381951 1855433 2077065 2048 4 33682 40304 528260 573510 2048 8 62534 70946 699460 646257 2048 16 97938 110989 1127168 1234397 2048 32 128642 180060 1177057 1505736 2048 64 156897 190990 1654199 1397008 2048 128 194585 247371 1322992 1756343 2048 256 222751 311864 1481839 1782215 2048 512 164486 315762 1774484 1915768 4096 4 33701 42505 559025 571275 4096 8 60078 66773 902408 879359 4096 16 101383 94055 1217928 1237849 4096 32 114704 173773 1281620 1381928 4096 64 140403 212501 1691130 1957863 4096 128 159458 263835 1474944 1708792 4096 256 212063 284445 1781625 1828656 4096 512 229828 327786 1800484 1836867 8192 4 33893 30940 414408 438497 8192 8 57587 73470 719789 752516 8192 16 103619 102779 1051759 1191028 8192 32 128657 170773 1543300 1296799 8192 64 177139 220914 1388675 1393915 8192 128 202948 226674 1768221 1954722 8192 256 214495 323514 1804436 1882745 8192 512 236141 339212 1602763 1642685 16384 4 38799 39005 530931 531223 16384 8 58541 66501 713436 776019 16384 16 93086 115983 1002460 949192 16384 32 136363 172337 1462464 1011297 16384 64 162481 231262 1559509 1515921 16384 128 215709 252162 1643817 1665894 16384 256 244800 268427 1344703 1459979 16384 512 243049 286865 1785533 1854035 32768 4 34582 38876 518194 567027 32768 8 58393 69035 790275 770122 32768 16 90253 101762 923091 1071132 32768 32 144346 157475 1415527 1502971 32768 64 166604 224171 1503464 1403400 32768 128 189437 258892 1558232 1531578 32768 256 241340 292401 1603837 1530486 32768 512 210678 305503 1623292 1526000 65536 4 35052 39227 493148 501101 65536 8 61276 68530 772237 867876 65536 16 93611 111748 1168823 1113042 65536 32 134615 165700 1120004 1265151 65536 64 159654 205100 1304384 1398999 65536 128 177636 197277 1019316 1633408 65536 256