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 Oct 16 10:33:04 2024 Auto Mode Machine = Linux oleg101-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-oleg101-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 10060 22152 312204 390278 64 8 10873 37123 582535 546928 64 16 13198 38093 1017549 771797 64 32 17016 84658 1183548 1168097 64 64 13422 134702 1460430 1421755 128 4 14446 24786 395104 371073 128 8 20735 40288 571257 457376 128 16 22687 74412 1175271 836500 128 32 21248 93567 1000121 1076312 128 64 29760 75917 1359835 1359835 128 128 29111 125237 1778862 1802755 256 4 13552 23435 378637 351607 256 8 26148 38191 530031 560172 256 16 30008 64777 933846 826078 256 32 35748 90209 1044693 937924 256 64 42553 129353 1430119 873809 256 128 35580 159906 1384034 1694118 256 256 34353 154588 2015259 1696795 512 4 21842 25376 245320 279773 512 8 23930 40721 537838 535024 512 16 32892 68476 494606 745445 512 32 61060 97449 778128 549255 512 64 60692 135772 486207 1166599 512 128