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 Aug 4 14:17:31 2024 Auto Mode Machine = Linux oleg447-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-oleg447-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 10940 15055 215471 154646 64 8 15916 33736 351444 264519 64 16 21709 47689 551422 380864 64 32 35536 93310 610350 1124074 64 64 26502 137040 998622 1105556 128 4 13644 15223 321709 262296 128 8 17780 35995 413994 296318 128 16 35715 42230 387966 518312 128 32 32965 58900 853794 544601 128 64 38312 89139 540217 785122 128 128 44754 134459 847059 757430 256 4 15859 21686 254936 277394 256 8 31147 41611 510138 624339 256 16 34609 43119 778183 773697 256 32 67349 155709 1163562 944525 256 64 75830 196771 1802167 1817419 256 128 88946 199365 1766587 2148318 256 256 108428 251237 1718521 1694118 512 4 27354 28807 511451 380705 512 8 41038 55315 606667 782951 512 16 60101 72213 427036 726285 512 32 78660 88214 1523247 1084694 512 64 100018 126079 984720 990168 512 128 79687 118574 1413929 1204552 512 256 153240 250733 1551867 1471074 512 512 136064 253725 2039772 2063289 1024 4 22152 32535 332999 263708 1024 8 20794 36731 428818 419315 1024 16 48048 71278 798795 1283303 1024 32 100620 156312 1142945 965203 1024 64 136805 186479 1294910 1735476 1024 128 152358 239476 1139005 1289467 1024 256 108186 203102 873705 777537 1024 512 99881 145598 994250 1058967 2048 4 27734 29663 412981 402116 2048 8 54131 50224 612612 651997 2048 16 56770 48942 603954 635218 2048 32 59340 120251 1334295 1454489 2048 64 141828 133340 1304508 1002933 2048 128 92754 121767 1008349 930471 2048 256 109607 118389 828200 1124660 2048 512 128675 200311 1241175 1183870 4096 4 23642 30291 310988 376926 4096 8 41033 40769 436305 756562 4096 16 75327 75116 667858 538523 4096 32 87476 146688 1231195 1338954 4096 64 151295 210623 1192814 1307368 4096 128