+ date + echo Sat Aug 13 19:06:40 UTC 2011 TESTING direct-rndwr-1 Sat Aug 13 19:06:40 UTC 2011 TESTING direct-rndwr-1 + date + echo Sat Aug 13 19:06:40 UTC 2011 start iteration 1 Sat Aug 13 19:06:40 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 55593 Write, 0 Other = 55593 Total Read 0b Written 868.64Mb Total transferred 868.64Mb (4.8246Mb/sec) 308.77 Requests/sec executed Test execution summary: total time: 180.0451s total number of events: 55593 total time taken by event execution: 179.9822 per-request statistics: min: 0.16ms avg: 3.24ms max: 841.04ms approx. 95 percentile: 6.42ms Threads fairness: events (avg/stddev): 55593.0000/0.00 execution time (avg/stddev): 179.9822/0.00 + date + echo Sat Aug 13 19:09:41 UTC 2011 start iteration 2 Sat Aug 13 19:09:41 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 56049 Write, 0 Other = 56049 Total Read 0b Written 875.77Mb Total transferred 875.77Mb (4.8601Mb/sec) 311.04 Requests/sec executed Test execution summary: total time: 180.1963s total number of events: 56049 total time taken by event execution: 180.1309 per-request statistics: min: 0.16ms avg: 3.21ms max: 842.04ms approx. 95 percentile: 4.25ms Threads fairness: events (avg/stddev): 56049.0000/0.00 execution time (avg/stddev): 180.1309/0.00 + date + echo Sat Aug 13 19:12:42 UTC 2011 start iteration 3 Sat Aug 13 19:12:42 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 53105 Write, 0 Other = 53105 Total Read 0b Written 829.77Mb Total transferred 829.77Mb (4.6089Mb/sec) 294.97 Requests/sec executed Test execution summary: total time: 180.0350s total number of events: 53105 total time taken by event execution: 179.9733 per-request statistics: min: 0.16ms avg: 3.39ms max: 1399.75ms approx. 95 percentile: 4.38ms Threads fairness: events (avg/stddev): 53105.0000/0.00 execution time (avg/stddev): 179.9733/0.00 + date + echo Sat Aug 13 19:15:43 UTC 2011 start iteration 4 Sat Aug 13 19:15:43 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 51294 Write, 0 Other = 51294 Total Read 0b Written 801.47Mb Total transferred 801.47Mb (4.4526Mb/sec) 284.97 Requests/sec executed Test execution summary: total time: 180.0003s total number of events: 51294 total time taken by event execution: 179.9407 per-request statistics: min: 0.17ms avg: 3.51ms max: 1548.92ms approx. 95 percentile: 4.46ms Threads fairness: events (avg/stddev): 51294.0000/0.00 execution time (avg/stddev): 179.9407/0.00 + date + echo Sat Aug 13 19:18:43 UTC 2011 DONE TESTING direct-rndwr-1 Sat Aug 13 19:18:43 UTC 2011 DONE TESTING direct-rndwr-1 + exec