+ date + echo Sat Aug 13 14:37:15 UTC 2011 TESTING direct-seqwr-4 Sat Aug 13 14:37:15 UTC 2011 TESTING direct-seqwr-4 + date + echo Sat Aug 13 14:37:15 UTC 2011 start iteration 1 Sat Aug 13 14:37:15 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, 820303 Write, 0 Other = 820303 Total Read 0b Written 12.517Gb Total transferred 12.517Gb (71.205Mb/sec) 4557.12 Requests/sec executed Test execution summary: total time: 180.0046s total number of events: 820303 total time taken by event execution: 718.4726 per-request statistics: min: 0.14ms avg: 0.88ms max: 400.47ms approx. 95 percentile: 0.93ms Threads fairness: events (avg/stddev): 205075.7500/21550.91 execution time (avg/stddev): 179.6181/0.01 + date + echo Sat Aug 13 14:40:15 UTC 2011 start iteration 2 Sat Aug 13 14:40:15 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, 771473 Write, 0 Other = 771473 Total Read 0b Written 11.772Gb Total transferred 11.772Gb (66.968Mb/sec) 4285.94 Requests/sec executed Test execution summary: total time: 180.0009s total number of events: 771473 total time taken by event execution: 718.5185 per-request statistics: min: 0.14ms avg: 0.93ms max: 292.67ms approx. 95 percentile: 1.06ms Threads fairness: events (avg/stddev): 192868.2500/11135.01 execution time (avg/stddev): 179.6296/0.01 + date + echo Sat Aug 13 14:43:15 UTC 2011 start iteration 3 Sat Aug 13 14:43:15 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, 796610 Write, 0 Other = 796610 Total Read 0b Written 12.155Gb Total transferred 12.155Gb (69.15Mb/sec) 4425.60 Requests/sec executed Test execution summary: total time: 180.0006s total number of events: 796610 total time taken by event execution: 718.5555 per-request statistics: min: 0.14ms avg: 0.90ms max: 527.41ms approx. 95 percentile: 0.93ms Threads fairness: events (avg/stddev): 199152.5000/35335.46 execution time (avg/stddev): 179.6389/0.02 + date + echo Sat Aug 13 14:46:15 UTC 2011 start iteration 4 Sat Aug 13 14:46:15 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, 771844 Write, 0 Other = 771844 Total Read 0b Written 11.777Gb Total transferred 11.777Gb (67Mb/sec) 4288.00 Requests/sec executed Test execution summary: total time: 180.0008s total number of events: 771844 total time taken by event execution: 718.5774 per-request statistics: min: 0.14ms avg: 0.93ms max: 266.82ms approx. 95 percentile: 1.04ms Threads fairness: events (avg/stddev): 192961.0000/13890.77 execution time (avg/stddev): 179.6444/0.01 + date + echo Sat Aug 13 14:49:15 UTC 2011 DONE TESTING direct-seqwr-4 Sat Aug 13 14:49:15 UTC 2011 DONE TESTING direct-seqwr-4 + exec