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: Mon May 13 04:06:40 2024 Auto Mode Machine = Linux oleg232-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-oleg232-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 16980 21585 304761 307554 64 8 26026 50233 467002 454354 64 16 32210 67721 720041 712397 64 32 43770 130892 1492919 1638743 64 64 43158 163301 1255511 1526887 128 4 26583 38152 549618 399812 128 8 37026 42313 452366 457376 128 16 53963 103050 883293 805138 128 32 52780 97333 1504659 992724 128 64 57090 127136 1319723 1306873 128 128 88756 213739 2166499 2238774 256 4 25006 30465 476624 335984 256 8 36005 59520 679237 697322 256 16 63697 85218 817898 748353 256 32 86453 118687 1489641 1591186 256 64 95056 179411 1226004 1884399 256 128 114902 207654 1924938 1506359 256 256 94955 238143 2170027 1956506 512 4 26219 25286 421752 393830 512 8 45145 46022 606495 685263 512 16 85319 109801 891884 786680 512 32 95952 152608 1066910 1098566 512 64 146537 169603 1111070 1187895 512 128 111114 203575 1501940 1542947 512 256 141479 303325 1753325 2178404 512 512 118385 235629 2327124 2081286 1024 4 27445 30576 351159 518164 1024 8 52726 62703 501232 735086 1024 16 73263 94937 1082454 699414 1024 32 97615 153272 1145383 1314729 1024 64 129211 196468 1226500 1587902 1024 128 118355 234316 1570483 1714690 1024 256 151654 253214 1436056 1544504 1024 512 166964 281235 2073055 1587902 2048 4 31331 29526 456236 474849 2048 8 50135 58908 712396 842496 2048 16 79741 88268 1002465 906990 2048 32 105829 126505 1458688 1429319 2048 64 140600 189419 1222626 1479797 2048 128 163279 199146 1449580 1352573 2048 256 206638 264258 1358993 1500476 2048 512 137635 278380 1669307 1835140 4096 4 29301 31474 467902 427287 4096 8 48539 59246 638898 750612 4096 16 87036 94375 713840 744852 4096 32 111732 137689 1272506 1183202 4096 64 153944 173126 1415868 1446871 4096 128 173957 244143 1631856 1354045 4096 256 191251 259307 1876185 1858326 4096 512 179610 262060 1672526 1813215 8192 4 28345 30292 416361 413988 8192 8 49106 53378 660322 667765 8192 16 72381 85526 826972 897266 8192 32 110325 117785 1162813 1283190 8192 64 134604 150876 1274432 1299939 8192 128 156907 210765 1294356 1296212 8192 256 167494 246183 1743723 1729069 8192 512 166650 220262 1624128 1433698 16384 4 26567 28528 412549 449973 16384 8 44219 58019 673549 852929 16384 16 79082 87277 903540 799762 16384 32 116921 127704 1084950 1193547 16384 64 149162 161886 1391059 1610381 16384 128 160240 211038 1557247 1584208 16384 256 177586 243338 1660500 1544924 16384 512 173364 213169 1675765 1696785 32768 4 21969 29380 317365 318028 32768 8 48242 50754 549569 620711 32768 16 68412 85227 988031 926957