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  1. # iozone -w -c -e -i 0 -+n -r 64k -s 1g -t 8 -F /backups/f{0,1,2,3,4,5,6,7,8}.ioz
  2. Iozone: Performance Test of File I/O
  3. Version $Revision: 3.424 $
  4. Compiled for 64 bit mode.
  5. Build: linux-AMD64
  6.  
  7. Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
  8. Al Slater, Scott Rhine, Mike Wisner, Ken Goss
  9. Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
  10. Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
  11. Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
  12. Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
  13. Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
  14. Vangel Bojaxhi, Ben England, Vikentsi Lapa.
  15.  
  16. Run began: Thu Apr 24 11:45:34 2014
  17.  
  18. Setting no_unlink
  19. Include close in write timing
  20. Include fsync in write timing
  21. No retest option selected
  22. Record Size 64 kB
  23. File size set to 1048576 kB
  24. Command line used: iozone -w -c -e -i 0 -+n -r 64k -s 1g -t 8 -F /backups/f0.ioz /backups/f1.ioz /backups/f2.ioz /backups/f3.ioz /backups/f4.ioz /backups/f5.ioz /backups/f6.ioz /backups/f7.ioz /backups/f8.ioz
  25. Output is in kBytes/sec
  26. Time Resolution = 0.000001 seconds.
  27. Processor cache size set to 1024 kBytes.
  28. Processor cache line size set to 32 bytes.
  29. File stride size set to 17 * record size.
  30. Throughput test with 8 processes
  31. Each process writes a 1048576 kByte file in 64 kByte records
  32.  
  33. Children see throughput for 8 initial writers = 56853.51 kB/sec
  34. Parent sees throughput for 8 initial writers = 56800.24 kB/sec
  35. Min throughput per process = 7104.15 kB/sec
  36. Max throughput per process = 7108.05 kB/sec
  37. Avg throughput per process = 7106.69 kB/sec
  38. Min xfer = 1048000.00 kB
  39.  
  40.  
  41.  
  42. iozone test complete.
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