+ date + echo Sun Aug 14 09:46:36 UTC 2011 TESTING direct-rndrd-8 Sun Aug 14 09:46:36 UTC 2011 TESTING direct-rndrd-8 + date + echo Sun Aug 14 09:46:36 UTC 2011 start iteration 1 Sun Aug 14 09:46:36 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --init-rng=on --file-num=64 --file-extra-flags=direct --file-fsync-freq=0 --file-block-size=16384 run sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random read test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 29334 Read, 0 Write, 0 Other = 29334 Total Read 458.34Mb Written 0b Total transferred 458.34Mb (2.5457Mb/sec) 162.92 Requests/sec executed Test execution summary: total time: 180.0468s total number of events: 29334 total time taken by event execution: 1440.1431 per-request statistics: min: 5.16ms avg: 49.09ms max: 495.83ms approx. 95 percentile: 143.23ms Threads fairness: events (avg/stddev): 3666.7500/52.54 execution time (avg/stddev): 180.0179/0.02 + date + echo Sun Aug 14 09:49:36 UTC 2011 start iteration 2 Sun Aug 14 09:49:36 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --init-rng=on --file-num=64 --file-extra-flags=direct --file-fsync-freq=0 --file-block-size=16384 run sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random read test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 29399 Read, 0 Write, 0 Other = 29399 Total Read 459.36Mb Written 0b Total transferred 459.36Mb (2.5512Mb/sec) 163.27 Requests/sec executed Test execution summary: total time: 180.0594s total number of events: 29399 total time taken by event execution: 1440.1866 per-request statistics: min: 4.35ms avg: 48.99ms max: 633.93ms approx. 95 percentile: 141.18ms Threads fairness: events (avg/stddev): 3674.8750/31.63 execution time (avg/stddev): 180.0233/0.02 + date + echo Sun Aug 14 09:52:36 UTC 2011 start iteration 3 Sun Aug 14 09:52:36 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --init-rng=on --file-num=64 --file-extra-flags=direct --file-fsync-freq=0 --file-block-size=16384 run sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random read test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 29295 Read, 0 Write, 0 Other = 29295 Total Read 457.73Mb Written 0b Total transferred 457.73Mb (2.5421Mb/sec) 162.70 Requests/sec executed Test execution summary: total time: 180.0581s total number of events: 29295 total time taken by event execution: 1440.1802 per-request statistics: min: 3.70ms avg: 49.16ms max: 493.92ms approx. 95 percentile: 141.48ms Threads fairness: events (avg/stddev): 3661.8750/67.99 execution time (avg/stddev): 180.0225/0.02 + date + echo Sun Aug 14 09:55:36 UTC 2011 start iteration 4 Sun Aug 14 09:55:36 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --init-rng=on --file-num=64 --file-extra-flags=direct --file-fsync-freq=0 --file-block-size=16384 run sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random read test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 29292 Read, 0 Write, 0 Other = 29292 Total Read 457.69Mb Written 0b Total transferred 457.69Mb (2.5421Mb/sec) 162.69 Requests/sec executed Test execution summary: total time: 180.0446s total number of events: 29292 total time taken by event execution: 1440.1402 per-request statistics: min: 4.11ms avg: 49.16ms max: 492.33ms approx. 95 percentile: 141.95ms Threads fairness: events (avg/stddev): 3661.5000/60.19 execution time (avg/stddev): 180.0175/0.01 + date + echo Sun Aug 14 09:58:36 UTC 2011 DONE TESTING direct-rndrd-8 Sun Aug 14 09:58:36 UTC 2011 DONE TESTING direct-rndrd-8 + exec