+ date + echo Sun Aug 14 11:11:22 UTC 2011 TESTING direct-rndrd-16 Sun Aug 14 11:11:22 UTC 2011 TESTING direct-rndrd-16 + date + echo Sun Aug 14 11:11:22 UTC 2011 start iteration 1 Sun Aug 14 11:11:22 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 51475 Read, 0 Write, 0 Other = 51475 Total Read 804.3Mb Written 0b Total transferred 804.3Mb (4.4664Mb/sec) 285.85 Requests/sec executed Test execution summary: total time: 180.0776s total number of events: 51475 total time taken by event execution: 2880.4564 per-request statistics: min: 0.53ms avg: 55.96ms max: 731.33ms approx. 95 percentile: 177.35ms Threads fairness: events (avg/stddev): 3217.1875/56.13 execution time (avg/stddev): 180.0285/0.02 + date + echo Sun Aug 14 11:14:23 UTC 2011 start iteration 2 Sun Aug 14 11:14:23 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 51305 Read, 0 Write, 0 Other = 51305 Total Read 801.64Mb Written 0b Total transferred 801.64Mb (4.452Mb/sec) 284.93 Requests/sec executed Test execution summary: total time: 180.0637s total number of events: 51305 total time taken by event execution: 2880.4009 per-request statistics: min: 0.54ms avg: 56.14ms max: 929.18ms approx. 95 percentile: 181.06ms Threads fairness: events (avg/stddev): 3206.5625/39.24 execution time (avg/stddev): 180.0251/0.02 + date + echo Sun Aug 14 11:17:23 UTC 2011 start iteration 3 Sun Aug 14 11:17:23 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 51411 Read, 0 Write, 0 Other = 51411 Total Read 803.3Mb Written 0b Total transferred 803.3Mb (4.4609Mb/sec) 285.50 Requests/sec executed Test execution summary: total time: 180.0752s total number of events: 51411 total time taken by event execution: 2880.4254 per-request statistics: min: 3.50ms avg: 56.03ms max: 725.59ms approx. 95 percentile: 178.74ms Threads fairness: events (avg/stddev): 3213.1875/58.16 execution time (avg/stddev): 180.0266/0.02 + date + echo Sun Aug 14 11:20:23 UTC 2011 start iteration 4 Sun Aug 14 11:20:23 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 51475 Read, 0 Write, 0 Other = 51475 Total Read 804.3Mb Written 0b Total transferred 804.3Mb (4.4667Mb/sec) 285.87 Requests/sec executed Test execution summary: total time: 180.0634s total number of events: 51475 total time taken by event execution: 2880.3536 per-request statistics: min: 3.60ms avg: 55.96ms max: 709.97ms approx. 95 percentile: 177.67ms Threads fairness: events (avg/stddev): 3217.1875/47.99 execution time (avg/stddev): 180.0221/0.02 + date + echo Sun Aug 14 11:23:23 UTC 2011 DONE TESTING direct-rndrd-16 Sun Aug 14 11:23:23 UTC 2011 DONE TESTING direct-rndrd-16 + exec