+ date + echo Sat Aug 13 17:14:46 UTC 2011 TESTING direct-seqwr-8 Sat Aug 13 17:14:46 UTC 2011 TESTING direct-seqwr-8 + date + echo Sat Aug 13 17:14:46 UTC 2011 start iteration 1 Sat Aug 13 17:14:46 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 308661 Write, 0 Other = 308661 Total Read 0b Written 4.7098Gb Total transferred 4.7098Gb (26.788Mb/sec) 1714.45 Requests/sec executed Test execution summary: total time: 180.0347s total number of events: 308661 total time taken by event execution: 1439.0825 per-request statistics: min: 0.12ms avg: 4.66ms max: 247.76ms approx. 95 percentile: 26.20ms Threads fairness: events (avg/stddev): 38582.6250/33725.74 execution time (avg/stddev): 179.8853/0.03 + date + echo Sat Aug 13 17:17:46 UTC 2011 start iteration 2 Sat Aug 13 17:17:46 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 338150 Write, 0 Other = 338150 Total Read 0b Written 5.1598Gb Total transferred 5.1598Gb (29.35Mb/sec) 1878.42 Requests/sec executed Test execution summary: total time: 180.0184s total number of events: 338150 total time taken by event execution: 1439.2199 per-request statistics: min: 0.12ms avg: 4.26ms max: 444.67ms approx. 95 percentile: 37.43ms Threads fairness: events (avg/stddev): 42268.7500/16747.22 execution time (avg/stddev): 179.9025/0.01 + date + echo Sat Aug 13 17:20:46 UTC 2011 start iteration 3 Sat Aug 13 17:20:46 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 438229 Write, 0 Other = 438229 Total Read 0b Written 6.6868Gb Total transferred 6.6868Gb (38.04Mb/sec) 2434.58 Requests/sec executed Test execution summary: total time: 180.0017s total number of events: 438229 total time taken by event execution: 1438.7704 per-request statistics: min: 0.12ms avg: 3.28ms max: 220.78ms approx. 95 percentile: 17.32ms Threads fairness: events (avg/stddev): 54778.6250/1404.12 execution time (avg/stddev): 179.8463/0.00 + date + echo Sat Aug 13 17:23:46 UTC 2011 start iteration 4 Sat Aug 13 17:23:46 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 420887 Write, 0 Other = 420887 Total Read 0b Written 6.4222Gb Total transferred 6.4222Gb (36.535Mb/sec) 2338.23 Requests/sec executed Test execution summary: total time: 180.0022s total number of events: 420887 total time taken by event execution: 1438.7649 per-request statistics: min: 0.12ms avg: 3.42ms max: 318.09ms approx. 95 percentile: 23.42ms Threads fairness: events (avg/stddev): 52610.8750/13795.36 execution time (avg/stddev): 179.8456/0.01 + date + echo Sat Aug 13 17:26:46 UTC 2011 DONE TESTING direct-seqwr-8 Sat Aug 13 17:26:46 UTC 2011 DONE TESTING direct-seqwr-8 + exec