+ date + echo Sat Aug 13 16:02:00 UTC 2011 TESTING direct-seqwr-8 Sat Aug 13 16:02:00 UTC 2011 TESTING direct-seqwr-8 + date + echo Sat Aug 13 16:02:00 UTC 2011 start iteration 1 Sat Aug 13 16:02:00 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 0 Read, 612738 Write, 0 Other = 612738 Total Read 0b Written 9.3496Gb Total transferred 9.3496Gb (53.189Mb/sec) 3404.07 Requests/sec executed Test execution summary: total time: 180.0018s total number of events: 612738 total time taken by event execution: 1438.2812 per-request statistics: min: 0.13ms avg: 2.35ms max: 521.94ms approx. 95 percentile: 3.58ms Threads fairness: events (avg/stddev): 76592.2500/54335.02 execution time (avg/stddev): 179.7852/0.04 + date + echo Sat Aug 13 16:05:00 UTC 2011 start iteration 2 Sat Aug 13 16:05:00 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 0 Read, 614633 Write, 0 Other = 614633 Total Read 0b Written 9.3786Gb Total transferred 9.3786Gb (53.353Mb/sec) 3414.57 Requests/sec executed Test execution summary: total time: 180.0030s total number of events: 614633 total time taken by event execution: 1438.3627 per-request statistics: min: 0.13ms avg: 2.34ms max: 581.64ms approx. 95 percentile: 3.02ms Threads fairness: events (avg/stddev): 76829.1250/42102.01 execution time (avg/stddev): 179.7953/0.03 + date + echo Sat Aug 13 16:08:00 UTC 2011 start iteration 3 Sat Aug 13 16:08:00 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 0 Read, 666265 Write, 0 Other = 666265 Total Read 0b Written 10.166Gb Total transferred 10.166Gb (57.835Mb/sec) 3701.43 Requests/sec executed Test execution summary: total time: 180.0022s total number of events: 666265 total time taken by event execution: 1438.1890 per-request statistics: min: 0.13ms avg: 2.16ms max: 556.27ms approx. 95 percentile: 2.65ms Threads fairness: events (avg/stddev): 83283.1250/6438.40 execution time (avg/stddev): 179.7736/0.00 + date + echo Sat Aug 13 16:11:00 UTC 2011 start iteration 4 Sat Aug 13 16:11:00 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 0 Read, 658190 Write, 0 Other = 658190 Total Read 0b Written 10.043Gb Total transferred 10.043Gb (57.134Mb/sec) 3656.58 Requests/sec executed Test execution summary: total time: 180.0018s total number of events: 658190 total time taken by event execution: 1438.1504 per-request statistics: min: 0.13ms avg: 2.19ms max: 712.09ms approx. 95 percentile: 1.89ms Threads fairness: events (avg/stddev): 82273.7500/36597.59 execution time (avg/stddev): 179.7688/0.03 + date + echo Sat Aug 13 16:14:00 UTC 2011 DONE TESTING direct-seqwr-8 Sat Aug 13 16:14:00 UTC 2011 DONE TESTING direct-seqwr-8 + exec