+ date + echo Sat Aug 13 17:02:46 UTC 2011 TESTING direct-seqwr-4 Sat Aug 13 17:02:46 UTC 2011 TESTING direct-seqwr-4 + date + echo Sat Aug 13 17:02:46 UTC 2011 start iteration 1 Sat Aug 13 17:02:46 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 427680 Write, 0 Other = 427680 Total Read 0b Written 6.5259Gb Total transferred 6.5259Gb (37.125Mb/sec) 2375.99 Requests/sec executed Test execution summary: total time: 180.0007s total number of events: 427680 total time taken by event execution: 719.1000 per-request statistics: min: 0.12ms avg: 1.68ms max: 233.30ms approx. 95 percentile: 2.53ms Threads fairness: events (avg/stddev): 106920.0000/16951.05 execution time (avg/stddev): 179.7750/0.01 + date + echo Sat Aug 13 17:05:46 UTC 2011 start iteration 2 Sat Aug 13 17:05:46 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 468311 Write, 0 Other = 468311 Total Read 0b Written 7.1459Gb Total transferred 7.1459Gb (40.649Mb/sec) 2601.50 Requests/sec executed Test execution summary: total time: 180.0155s total number of events: 468311 total time taken by event execution: 719.1792 per-request statistics: min: 0.12ms avg: 1.54ms max: 260.37ms approx. 95 percentile: 2.07ms Threads fairness: events (avg/stddev): 117077.7500/8217.38 execution time (avg/stddev): 179.7948/0.01 + date + echo Sat Aug 13 17:08:46 UTC 2011 start iteration 3 Sat Aug 13 17:08:46 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 503549 Write, 0 Other = 503549 Total Read 0b Written 7.6835Gb Total transferred 7.6835Gb (43.71Mb/sec) 2797.43 Requests/sec executed Test execution summary: total time: 180.0044s total number of events: 503549 total time taken by event execution: 719.0754 per-request statistics: min: 0.12ms avg: 1.43ms max: 258.54ms approx. 95 percentile: 1.91ms Threads fairness: events (avg/stddev): 125887.2500/3417.83 execution time (avg/stddev): 179.7688/0.00 + date + echo Sat Aug 13 17:11:46 UTC 2011 start iteration 4 Sat Aug 13 17:11:46 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=seqwr --max-time=180 --max-requests=100000000 --num-threads=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, 459117 Write, 0 Other = 459117 Total Read 0b Written 7.0056Gb Total transferred 7.0056Gb (39.854Mb/sec) 2550.63 Requests/sec executed Test execution summary: total time: 180.0012s total number of events: 459117 total time taken by event execution: 719.0852 per-request statistics: min: 0.12ms avg: 1.57ms max: 352.93ms approx. 95 percentile: 2.52ms Threads fairness: events (avg/stddev): 114779.2500/34869.61 execution time (avg/stddev): 179.7713/0.03 + date + echo Sat Aug 13 17:14:46 UTC 2011 DONE TESTING direct-seqwr-4 Sat Aug 13 17:14:46 UTC 2011 DONE TESTING direct-seqwr-4 + exec