+ date + echo Sat Aug 13 15:50:00 UTC 2011 TESTING direct-seqwr-4 Sat Aug 13 15:50:00 UTC 2011 TESTING direct-seqwr-4 + date + echo Sat Aug 13 15:50:00 UTC 2011 start iteration 1 Sat Aug 13 15:50:00 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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 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 3 times) Done. Operations performed: 0 Read, 583261 Write, 0 Other = 583261 Total Read 0b Written 8.8999Gb Total transferred 8.8999Gb (50.63Mb/sec) 3240.31 Requests/sec executed Test execution summary: total time: 180.0016s total number of events: 583261 total time taken by event execution: 718.9105 per-request statistics: min: 0.13ms avg: 1.23ms max: 286.33ms approx. 95 percentile: 1.33ms Threads fairness: events (avg/stddev): 145815.2500/4109.71 execution time (avg/stddev): 179.7276/0.00 + date + echo Sat Aug 13 15:53:00 UTC 2011 start iteration 2 Sat Aug 13 15:53:00 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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 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 3 times) Done. Operations performed: 0 Read, 587378 Write, 0 Other = 587378 Total Read 0b Written 8.9627Gb Total transferred 8.9627Gb (50.987Mb/sec) 3263.19 Requests/sec executed Test execution summary: total time: 180.0012s total number of events: 587378 total time taken by event execution: 718.8866 per-request statistics: min: 0.13ms avg: 1.22ms max: 360.73ms approx. 95 percentile: 1.28ms Threads fairness: events (avg/stddev): 146844.5000/6837.04 execution time (avg/stddev): 179.7216/0.00 + date + echo Sat Aug 13 15:56:00 UTC 2011 start iteration 3 Sat Aug 13 15:56:00 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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 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 3 times) Done. Operations performed: 0 Read, 718612 Write, 0 Other = 718612 Total Read 0b Written 10.965Gb Total transferred 10.965Gb (62.379Mb/sec) 3992.27 Requests/sec executed Test execution summary: total time: 180.0008s total number of events: 718612 total time taken by event execution: 718.8160 per-request statistics: min: 0.13ms avg: 1.00ms max: 516.79ms approx. 95 percentile: 1.10ms Threads fairness: events (avg/stddev): 179653.0000/23716.58 execution time (avg/stddev): 179.7040/0.02 + date + echo Sat Aug 13 15:59:00 UTC 2011 start iteration 4 Sat Aug 13 15:59:00 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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 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 3 times) Done. Operations performed: 0 Read, 598787 Write, 0 Other = 598787 Total Read 0b Written 9.1368Gb Total transferred 9.1368Gb (51.978Mb/sec) 3326.57 Requests/sec executed Test execution summary: total time: 180.0012s total number of events: 598787 total time taken by event execution: 718.7703 per-request statistics: min: 0.13ms avg: 1.20ms max: 393.08ms approx. 95 percentile: 1.31ms Threads fairness: events (avg/stddev): 149696.7500/13750.35 execution time (avg/stddev): 179.6926/0.01 + date + echo Sat Aug 13 16:02:00 UTC 2011 DONE TESTING direct-seqwr-4 Sat Aug 13 16:02:00 UTC 2011 DONE TESTING direct-seqwr-4 + exec