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: Wed Nov 13 12:15:40 2024 Auto Mode Machine = Linux oleg416-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-oleg416-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 14013 31385 326244 321554 64 8 20395 58281 901377 913649 64 16 21940 73568 1232453 952555 64 32 24399 126991 1363961 1460430 64 64 28569 178266 1892980 1421755 128 4 20605 35507 444501 345075 128 8 28743 49363 907174 876086 128 16 35644 77439 809997 864797 128 32 48985 136164 1684006 1057236 128 64 50956 131302 1802755 1561553 128 128 47816 206424 1778862 2248149 256 4 23262 23289 572721 379172 256 8 34065 52829 589706 927393 256 16 48230 76576 1153561 1368162 256 32 60137 117261 1694118 1280084 256 64 72580 147192 1696795 1506359 256 128 67118 146609 1463250 2152625 256 256 73079 215879 2305128 2000242 512 4 25934 35131 482493 532239 512 8 42909 57618 824431 679840 512 16 58634 74310 1057974 1179413 512 32 68643 100294 1395552 1575781 512 64 93191 175824 1712772 1684557 512 128 83644 141553 2032051 1861217 512 256 103225 186319 1809465 1895721 512 512 98572 218067 2105777 2189509 1024 4 26877 28492 489744 467362 1024 8 38390 46399 673212 596705 1024 16 60267 64797 1017811 1043783 1024 32 83258 96978 1185209 1458489 1024 64 87934 140487 1306332 1335165 1024 128 99767 145371 1477555 1633188 1024 256 113753 185313 1803239 1517224 1024 512 112120 155295 1805514 1695735 2048 4 24597 29652 421141 390917 2048 8 40358 53806 621746 637433 2048 16 60375 70833 982289 1134762 2048 32 98660 109917 1315294 1442279 2048 64 112435 161171 1375312 1612586 2048 128 125121 223505 1533970 1787035 2048 256 143316 184571 1635926 1693663 2048 512 144490 227073 2000075 1858566 4096 4 26354 29547 437560 399097 4096 8 49363 40242 821342 763352 4096 16 66750 75363 890803 846599 4096 32 94291 107568 1437188 1304390 4096 64 113415 152397 1227764 1201489 4096 128 124603 167581 1622149 1901731 4096 256 117966 141832 1309061 1119442 4096 512 120580 163977 1633252 1480282 8192 4 27716 29148 475832 541979 8192 8 47780 58041 763044 726885 8192 16 72229 86169 999270 1031891 8192 32 98237 105413 1367399 1301366 8192 64 120858 166379 1464684 1503129 8192 128 132778 191441 1629288 1629906 8192 256 146707 208740 1471269 1195919 8192 512 158605 226774 1756111 1894162 16384 4 27543 31859 419812 499727 16384 8 47380 52078 738483 863724 16384 16 69450 78284 1035465 916384 16384 32 99547 120993 1019594 1234101 16384 64 128040 161015 1325561 1484612 16384 128 159040 181064 1509329 1576575 16384 256 159834 198493 1689568 1816783 16384 512 170032 213288 1745398 1850441 32768 4 29146 32197 467899 488396 32768 8 46275 55535 503788 573197 32768 16 73107 72807 731152 932815 32768 32 98612 117708 1209553 1354561 32768 64 129600 134798 1735782 1746059 32768 128 143563 180135 1653942 1764757 32768 256 157271 194798 1708275 1688111 32768 512 168145 210793 1860329 1611321 65536 4