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  1.  
  2. [root@linux bench]# sysbench --test=fileio --file-total-size=10G prepare
  3. sysbench 0.4.12: multi-threaded system evaluation benchmark
  4.  
  5. 128 files, 81920Kb each, 10240Mb total
  6. Creating files for the test...
  7. [root@linux bench]# sysbench --test=fileio --file-total-size=10G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run
  8. sysbench 0.4.12: multi-threaded system evaluation benchmark
  9.  
  10. Running the test with following options:
  11. Number of threads: 1
  12. Initializing random number generator from timer.
  13.  
  14.  
  15. Extra file open flags: 0
  16. 128 files, 80Mb each
  17. 10Gb total file size
  18. Block size 16Kb
  19. Number of random requests for random IO: 0
  20. Read/Write ratio for combined random IO test: 1.50
  21. Periodic FSYNC enabled, calling fsync() each 100 requests.
  22. Calling fsync() at the end of test, Enabled.
  23. Using synchronous I/O mode
  24. Doing random r/w test
  25. Threads started!
  26. Time limit exceeded, exiting...
  27. Done.
  28.  
  29. Operations performed: 33416 Read, 22277 Write, 71168 Other = 126861 Total
  30. Read 522.12Mb Written 348.08Mb Total transferred 870.2Mb (2.9006Mb/sec)
  31. 185.64 Requests/sec executed
  32.  
  33. Test execution summary:
  34. total time: 300.0040s
  35. total number of events: 55693
  36. total time taken by event execution: 223.6059
  37. per-request statistics:
  38. min: 0.00ms
  39. avg: 4.01ms
  40. max: 746.19ms
  41. approx. 95 percentile: 11.24ms
  42.  
  43. Threads fairness:
  44. events (avg/stddev): 55693.0000/0.00
  45. execution time (avg/stddev): 223.6059/0.00
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