+ date + echo Sat Aug 13 16:50:46 UTC 2011 TESTING direct-seqwr-2 Sat Aug 13 16:50:46 UTC 2011 TESTING direct-seqwr-2 + date + echo Sat Aug 13 16:50:46 UTC 2011 start iteration 1 Sat Aug 13 16:50:46 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing sequential write (creation) test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 0 Read, 672835 Write, 0 Other = 672835 Total Read 0b Written 10.267Gb Total transferred 10.267Gb (58.406Mb/sec) 3737.97 Requests/sec executed Test execution summary: total time: 180.0003s total number of events: 672835 total time taken by event execution: 358.6797 per-request statistics: min: 0.12ms avg: 0.53ms max: 120.43ms approx. 95 percentile: 0.62ms Threads fairness: events (avg/stddev): 336417.5000/3592.50 execution time (avg/stddev): 179.3398/0.00 + date + echo Sat Aug 13 16:53:46 UTC 2011 start iteration 2 Sat Aug 13 16:53:46 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing sequential write (creation) test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 0 Read, 830531 Write, 0 Other = 830531 Total Read 0b Written 12.673Gb Total transferred 12.673Gb (72.095Mb/sec) 4614.06 Requests/sec executed Test execution summary: total time: 180.0002s total number of events: 830531 total time taken by event execution: 358.9435 per-request statistics: min: 0.13ms avg: 0.43ms max: 115.54ms approx. 95 percentile: 0.51ms Threads fairness: events (avg/stddev): 415265.5000/561.50 execution time (avg/stddev): 179.4717/0.00 + date + echo Sat Aug 13 16:56:46 UTC 2011 start iteration 3 Sat Aug 13 16:56:46 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing sequential write (creation) test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 0 Read, 490513 Write, 0 Other = 490513 Total Read 0b Written 7.4846Gb Total transferred 7.4846Gb (42.576Mb/sec) 2724.89 Requests/sec executed Test execution summary: total time: 180.0117s total number of events: 490513 total time taken by event execution: 359.1967 per-request statistics: min: 0.12ms avg: 0.73ms max: 100.79ms approx. 95 percentile: 0.70ms Threads fairness: events (avg/stddev): 245256.5000/9125.50 execution time (avg/stddev): 179.5983/0.01 + date + echo Sat Aug 13 16:59:46 UTC 2011 start iteration 4 Sat Aug 13 16:59:46 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 Initializing random number generator from timer. Extra file open flags: 16384 64 files, 1.5625Gb each 100Gb total file size Block size 16Kb Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing sequential write (creation) test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 0 Read, 555426 Write, 0 Other = 555426 Total Read 0b Written 8.4751Gb Total transferred 8.4751Gb (48.214Mb/sec) 3085.69 Requests/sec executed Test execution summary: total time: 180.0006s total number of events: 555426 total time taken by event execution: 359.2801 per-request statistics: min: 0.12ms avg: 0.65ms max: 95.53ms approx. 95 percentile: 0.67ms Threads fairness: events (avg/stddev): 277713.0000/1674.00 execution time (avg/stddev): 179.6401/0.00 + date + echo Sat Aug 13 17:02:46 UTC 2011 DONE TESTING direct-seqwr-2 Sat Aug 13 17:02:46 UTC 2011 DONE TESTING direct-seqwr-2 + exec