+ date + echo Sat Aug 13 18:29:52 UTC 2011 TESTING direct-rndwr-8 Sat Aug 13 18:29:52 UTC 2011 TESTING direct-rndwr-8 + date + echo Sat Aug 13 18:29:52 UTC 2011 start iteration 1 Sat Aug 13 18:29:52 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 34814 Write, 0 Other = 34814 Total Read 0b Written 543.97Mb Total transferred 543.97Mb (3.0214Mb/sec) 193.37 Requests/sec executed Test execution summary: total time: 180.0357s total number of events: 34814 total time taken by event execution: 1440.1172 per-request statistics: min: 0.29ms avg: 41.37ms max: 5067.63ms approx. 95 percentile: 54.64ms Threads fairness: events (avg/stddev): 4351.7500/22.75 execution time (avg/stddev): 180.0147/0.01 + date + echo Sat Aug 13 18:32:52 UTC 2011 start iteration 2 Sat Aug 13 18:32:52 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 33405 Write, 0 Other = 33405 Total Read 0b Written 521.95Mb Total transferred 521.95Mb (2.8993Mb/sec) 185.56 Requests/sec executed Test execution summary: total time: 180.0270s total number of events: 33405 total time taken by event execution: 1440.0554 per-request statistics: min: 0.37ms avg: 43.11ms max: 5419.10ms approx. 95 percentile: 55.20ms Threads fairness: events (avg/stddev): 4175.6250/11.84 execution time (avg/stddev): 180.0069/0.01 + date + echo Sat Aug 13 18:35:53 UTC 2011 start iteration 3 Sat Aug 13 18:35:53 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 33426 Write, 0 Other = 33426 Total Read 0b Written 522.28Mb Total transferred 522.28Mb (2.901Mb/sec) 185.66 Requests/sec executed Test execution summary: total time: 180.0342s total number of events: 33426 total time taken by event execution: 1440.1032 per-request statistics: min: 0.57ms avg: 43.08ms max: 5629.85ms approx. 95 percentile: 56.34ms Threads fairness: events (avg/stddev): 4178.2500/13.01 execution time (avg/stddev): 180.0129/0.01 + date + echo Sat Aug 13 18:38:53 UTC 2011 start iteration 4 Sat Aug 13 18:38:53 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 Number of random requests for random IO: 100000000 Read/Write ratio for combined random IO test: 1.50 Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 32448 Write, 0 Other = 32448 Total Read 0b Written 507Mb Total transferred 507Mb (2.8163Mb/sec) 180.25 Requests/sec executed Test execution summary: total time: 180.0208s total number of events: 32448 total time taken by event execution: 1440.0402 per-request statistics: min: 0.28ms avg: 44.38ms max: 5630.83ms approx. 95 percentile: 55.42ms Threads fairness: events (avg/stddev): 4056.0000/15.60 execution time (avg/stddev): 180.0050/0.01 + date + echo Sat Aug 13 18:41:53 UTC 2011 DONE TESTING direct-rndwr-8 Sat Aug 13 18:41:53 UTC 2011 DONE TESTING direct-rndwr-8 + exec