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 Jan 15 18:21:44 2025 Auto Mode Machine = Linux oleg329-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-oleg329-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 17102 24550 1143223 760859 64 8 16422 36632 1124074 710511 64 16 24503 80591 1183548 1124074 64 32 31235 110385 1452528 1083249 64 64 35936 112090 1526887 1336792 128 4 19762 22558 739689 770474 128 8 27886 49173 814915 841746 128 16 43535 86664 1391557 1231904 128 32 40089 104923 2166499 1217930 128 64 46060 146294 656477 1618028 128 128 42244 172084 2058509 2035099 256 4 24448 28252 682691 1052888 256 8 36802 52567 1016025 1076103 256 16 51321 84547 465466 1855098 256 32 50245 152937 1430119 1040643 256 64 74742 119453 1610276 762164 256 128 76856 135593 1793138 1790149 256 256 89794 207614 2081678 2097948 512 4 28172 28135 405353 752761 512 8 41227 36935 1130370 1007827 512 16 52080 69708 1224470 1446306 512 32 62729 103121 1372364 1137555 512 64 50628 176184 894857 1524329 512 128 97560 158266 1729323 1610042 512 256 83768 197837 1683237 1672748 512 512 41217 254718 1968713 2099600 1024 4 25975 34370 762356 322837 1024 8 47306 55633 936782 778665 1024 16 50803 65426 1219189 501232 1024 32 94438 106211 1146607 1075676 1024 64 84334 149813 1326505 1399100 1024 128 99533 179684 1638796 1673273 1024 256 101337 212624 2387677 2331932 1024 512 116335 230530 1651398 1806273 2048 4 24920 20351 652839 762749 2048 8 45236 47994 1051810 1009297 2048 16 55254 86214 1307685 1505736 2048 32 96905 119472 1438174 1491617 2048 64 108807 156013 1543340 1659632 2048 128 108400 192014 1654199 1793378 2048 256 106212 139938 1466157 1734007 2048 512 130048 170479 1836709 1698016 4096 4 27582 30428 697778 734188 4096 8 46323 50283 1082687 1006094 4096 16 52001 91188 748128 1233051 4096 32 91857 116847 1448945 1439114 4096 64 95806 131222 1235979 1667656 4096 128 141075 160143 1734848 1625526 4096 256 101180 174482 1682848 1465508 4096 512 109615 235835 1335935 1811495 8192 4 26610 25502 387585 616408 8192 8 39431 43948 607762 1075226 8192 16 75202 66247 1247457 1236904 8192 32 81254 99774 1461506 1295381 8192 64 104261 119083 1210071 1491644 8192 128 136736 154680 1161987 1244385 8192 256 146751 212404 1576655 1217402 8192 512 153480 183118 1768585 1828637 16384 4 28140 31886 889171 799455 16384 8 50822 55597 1091533 804011 16384 16 72830 93623 1292525 1203645 16384 32 91028 124392 1565477 1255682 16384 64 102943 145303 1575997 1346257 16384 128 131505 179138 1269578 1848400 16384 256 136819 201910 1452234 1715764 16384 512 166921 216639 1682164 1825130 32768 4 30024 32348 776658 827742 32768 8 48726 57071 1128456 1097388 32768 16 75498 88811 1334750 1347086 32768 32 106215 130423 1528495 1476031 32768 64 129223 174568 1643243 1432733 32768 128 142825 194495 1741214 1720184 32768 256 163596 198203 1829499 1796897 32768 512 156970 235819 1857087 1851508 65536 4 29614 32759 838989 871281 65536 8 50566 56257 1123115 1102909 65536 16