+ date + echo Sat Aug 13 19:30:47 UTC 2011 TESTING direct-rndwr-4 Sat Aug 13 19:30:47 UTC 2011 TESTING direct-rndwr-4 + date + echo Sat Aug 13 19:30:47 UTC 2011 start iteration 1 Sat Aug 13 19:30:47 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 44622 Write, 0 Other = 44622 Total Read 0b Written 697.22Mb Total transferred 697.22Mb (3.8732Mb/sec) 247.88 Requests/sec executed Test execution summary: total time: 180.0120s total number of events: 44622 total time taken by event execution: 719.9747 per-request statistics: min: 0.21ms avg: 16.13ms max: 4050.54ms approx. 95 percentile: 18.71ms Threads fairness: events (avg/stddev): 11155.5000/31.99 execution time (avg/stddev): 179.9937/0.00 + date + echo Sat Aug 13 19:33:47 UTC 2011 start iteration 2 Sat Aug 13 19:33:47 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 44343 Write, 0 Other = 44343 Total Read 0b Written 692.86Mb Total transferred 692.86Mb (3.8482Mb/sec) 246.28 Requests/sec executed Test execution summary: total time: 180.0486s total number of events: 44343 total time taken by event execution: 720.1400 per-request statistics: min: 0.20ms avg: 16.24ms max: 4139.11ms approx. 95 percentile: 18.82ms Threads fairness: events (avg/stddev): 11085.7500/36.66 execution time (avg/stddev): 180.0350/0.00 + date + echo Sat Aug 13 19:36:48 UTC 2011 start iteration 3 Sat Aug 13 19:36:48 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 41292 Write, 0 Other = 41292 Total Read 0b Written 645.19Mb Total transferred 645.19Mb (3.5841Mb/sec) 229.38 Requests/sec executed Test execution summary: total time: 180.0147s total number of events: 41292 total time taken by event execution: 719.9831 per-request statistics: min: 0.21ms avg: 17.44ms max: 4059.13ms approx. 95 percentile: 18.74ms Threads fairness: events (avg/stddev): 10323.0000/3.67 execution time (avg/stddev): 179.9958/0.00 + date + echo Sat Aug 13 19:39:48 UTC 2011 start iteration 4 Sat Aug 13 19:39:48 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 44352 Write, 0 Other = 44352 Total Read 0b Written 693Mb Total transferred 693Mb (3.8498Mb/sec) 246.38 Requests/sec executed Test execution summary: total time: 180.0111s total number of events: 44352 total time taken by event execution: 719.9697 per-request statistics: min: 0.21ms avg: 16.23ms max: 4684.79ms approx. 95 percentile: 18.95ms Threads fairness: events (avg/stddev): 11088.0000/14.87 execution time (avg/stddev): 179.9924/0.00 + date + echo Sat Aug 13 19:42:48 UTC 2011 DONE TESTING direct-rndwr-4 Sat Aug 13 19:42:48 UTC 2011 DONE TESTING direct-rndwr-4 + exec