+ date + echo Sat Aug 13 14:49:15 UTC 2011 TESTING direct-seqwr-8 Sat Aug 13 14:49:15 UTC 2011 TESTING direct-seqwr-8 + date + echo Sat Aug 13 14:49:15 UTC 2011 start iteration 1 Sat Aug 13 14:49:15 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 667447 Write, 0 Other = 667447 Total Read 0b Written 10.184Gb Total transferred 10.184Gb (57.938Mb/sec) 3708.00 Requests/sec executed Test execution summary: total time: 180.0018s total number of events: 667447 total time taken by event execution: 1437.9393 per-request statistics: min: 0.14ms avg: 2.15ms max: 377.73ms approx. 95 percentile: 3.28ms Threads fairness: events (avg/stddev): 83430.8750/59504.39 execution time (avg/stddev): 179.7424/0.04 + date + echo Sat Aug 13 14:52:15 UTC 2011 start iteration 2 Sat Aug 13 14:52:15 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 828250 Write, 0 Other = 828250 Total Read 0b Written 12.638Gb Total transferred 12.638Gb (71.895Mb/sec) 4601.31 Requests/sec executed Test execution summary: total time: 180.0032s total number of events: 828250 total time taken by event execution: 1437.2110 per-request statistics: min: 0.15ms avg: 1.74ms max: 348.49ms approx. 95 percentile: 1.96ms Threads fairness: events (avg/stddev): 103531.2500/4076.25 execution time (avg/stddev): 179.6514/0.00 + date + echo Sat Aug 13 14:55:15 UTC 2011 start iteration 3 Sat Aug 13 14:55:15 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 798206 Write, 0 Other = 798206 Total Read 0b Written 12.18Gb Total transferred 12.18Gb (69.287Mb/sec) 4434.38 Requests/sec executed Test execution summary: total time: 180.0040s total number of events: 798206 total time taken by event execution: 1437.7950 per-request statistics: min: 0.14ms avg: 1.80ms max: 973.42ms approx. 95 percentile: 2.00ms Threads fairness: events (avg/stddev): 99775.7500/13858.62 execution time (avg/stddev): 179.7244/0.01 + date + echo Sat Aug 13 14:58:15 UTC 2011 start iteration 4 Sat Aug 13 14:58:15 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 796326 Write, 0 Other = 796326 Total Read 0b Written 12.151Gb Total transferred 12.151Gb (69.125Mb/sec) 4424.00 Requests/sec executed Test execution summary: total time: 180.0013s total number of events: 796326 total time taken by event execution: 1437.7426 per-request statistics: min: 0.14ms avg: 1.81ms max: 509.93ms approx. 95 percentile: 1.93ms Threads fairness: events (avg/stddev): 99540.7500/28236.64 execution time (avg/stddev): 179.7178/0.02 + date + echo Sat Aug 13 15:01:15 UTC 2011 DONE TESTING direct-seqwr-8 Sat Aug 13 15:01:15 UTC 2011 DONE TESTING direct-seqwr-8 + exec