+ date + echo Sat Aug 13 20:43:51 UTC 2011 TESTING direct-rndwr-4 Sat Aug 13 20:43:51 UTC 2011 TESTING direct-rndwr-4 + date + echo Sat Aug 13 20:43:51 UTC 2011 start iteration 1 Sat Aug 13 20:43:51 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, 29756 Write, 0 Other = 29756 Total Read 0b Written 464.94Mb Total transferred 464.94Mb (2.582Mb/sec) 165.25 Requests/sec executed Test execution summary: total time: 180.0664s total number of events: 29756 total time taken by event execution: 720.1775 per-request statistics: min: 0.33ms avg: 24.20ms max: 4752.96ms approx. 95 percentile: 34.38ms Threads fairness: events (avg/stddev): 7439.0000/31.99 execution time (avg/stddev): 180.0444/0.01 + date + echo Sat Aug 13 20:46:52 UTC 2011 start iteration 2 Sat Aug 13 20:46:52 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, 29170 Write, 0 Other = 29170 Total Read 0b Written 455.78Mb Total transferred 455.78Mb (2.532Mb/sec) 162.05 Requests/sec executed Test execution summary: total time: 180.0067s total number of events: 29170 total time taken by event execution: 719.9765 per-request statistics: min: 0.33ms avg: 24.68ms max: 4800.10ms approx. 95 percentile: 34.18ms Threads fairness: events (avg/stddev): 7292.5000/29.47 execution time (avg/stddev): 179.9941/0.00 + date + echo Sat Aug 13 20:49:52 UTC 2011 start iteration 3 Sat Aug 13 20:49:52 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, 28901 Write, 0 Other = 28901 Total Read 0b Written 451.58Mb Total transferred 451.58Mb (2.5084Mb/sec) 160.54 Requests/sec executed Test execution summary: total time: 180.0240s total number of events: 28901 total time taken by event execution: 720.0074 per-request statistics: min: 0.56ms avg: 24.91ms max: 5245.84ms approx. 95 percentile: 34.89ms Threads fairness: events (avg/stddev): 7225.2500/15.06 execution time (avg/stddev): 180.0018/0.01 + date + echo Sat Aug 13 20:52:52 UTC 2011 start iteration 4 Sat Aug 13 20:52:52 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, 27108 Write, 0 Other = 27108 Total Read 0b Written 423.56Mb Total transferred 423.56Mb (2.3531Mb/sec) 150.60 Requests/sec executed Test execution summary: total time: 180.0052s total number of events: 27108 total time taken by event execution: 719.9766 per-request statistics: min: 0.49ms avg: 26.56ms max: 5890.29ms approx. 95 percentile: 35.03ms Threads fairness: events (avg/stddev): 6777.0000/7.84 execution time (avg/stddev): 179.9942/0.00 + date + echo Sat Aug 13 20:55:52 UTC 2011 DONE TESTING direct-rndwr-4 Sat Aug 13 20:55:52 UTC 2011 DONE TESTING direct-rndwr-4 + exec