+ date + echo Sat Aug 13 19:54:50 UTC 2011 TESTING direct-rndwr-16 Sat Aug 13 19:54:50 UTC 2011 TESTING direct-rndwr-16 + date + echo Sat Aug 13 19:54:50 UTC 2011 start iteration 1 Sat Aug 13 19:54:50 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 42172 Write, 0 Other = 42172 Total Read 0b Written 658.94Mb Total transferred 658.94Mb (3.6597Mb/sec) 234.22 Requests/sec executed Test execution summary: total time: 180.0515s total number of events: 42172 total time taken by event execution: 2880.3418 per-request statistics: min: 0.20ms avg: 68.30ms max: 6294.55ms approx. 95 percentile: 101.57ms Threads fairness: events (avg/stddev): 2635.7500/11.47 execution time (avg/stddev): 180.0214/0.02 + date + echo Sat Aug 13 19:57:50 UTC 2011 start iteration 2 Sat Aug 13 19:57:50 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 40315 Write, 0 Other = 40315 Total Read 0b Written 629.92Mb Total transferred 629.92Mb (3.4835Mb/sec) 222.94 Requests/sec executed Test execution summary: total time: 180.8306s total number of events: 40315 total time taken by event execution: 2881.6859 per-request statistics: min: 0.20ms avg: 71.48ms max: 6472.78ms approx. 95 percentile: 101.09ms Threads fairness: events (avg/stddev): 2519.6875/11.92 execution time (avg/stddev): 180.1054/0.19 + date + echo Sat Aug 13 20:00:51 UTC 2011 start iteration 3 Sat Aug 13 20:00:51 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 41801 Write, 0 Other = 41801 Total Read 0b Written 653.14Mb Total transferred 653.14Mb (3.6274Mb/sec) 232.16 Requests/sec executed Test execution summary: total time: 180.0554s total number of events: 41801 total time taken by event execution: 2880.3729 per-request statistics: min: 0.22ms avg: 68.91ms max: 7051.80ms approx. 95 percentile: 100.67ms Threads fairness: events (avg/stddev): 2612.5625/19.36 execution time (avg/stddev): 180.0233/0.02 + date + echo Sat Aug 13 20:03:52 UTC 2011 start iteration 4 Sat Aug 13 20:03:52 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 40101 Write, 0 Other = 40101 Total Read 0b Written 626.58Mb Total transferred 626.58Mb (3.4802Mb/sec) 222.73 Requests/sec executed Test execution summary: total time: 180.0420s total number of events: 40101 total time taken by event execution: 2880.2680 per-request statistics: min: 0.24ms avg: 71.83ms max: 6427.85ms approx. 95 percentile: 101.97ms Threads fairness: events (avg/stddev): 2506.3125/15.63 execution time (avg/stddev): 180.0167/0.01 + date + echo Sat Aug 13 20:06:52 UTC 2011 DONE TESTING direct-rndwr-16 Sat Aug 13 20:06:52 UTC 2011 DONE TESTING direct-rndwr-16 + exec