+ date + echo Sat Aug 13 20:31:47 UTC 2011 TESTING direct-rndwr-2 Sat Aug 13 20:31:47 UTC 2011 TESTING direct-rndwr-2 + date + echo Sat Aug 13 20:31:47 UTC 2011 start iteration 1 Sat Aug 13 20:31:47 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 0 Read, 37691 Write, 0 Other = 37691 Total Read 0b Written 588.92Mb Total transferred 588.92Mb (3.227Mb/sec) 206.53 Requests/sec executed Test execution summary: total time: 182.4989s total number of events: 37691 total time taken by event execution: 364.9487 per-request statistics: min: 0.36ms avg: 9.68ms max: 2540.99ms approx. 95 percentile: 17.20ms Threads fairness: events (avg/stddev): 18845.5000/6.50 execution time (avg/stddev): 182.4744/0.00 + date + echo Sat Aug 13 20:34:50 UTC 2011 start iteration 2 Sat Aug 13 20:34:50 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 0 Read, 37278 Write, 0 Other = 37278 Total Read 0b Written 582.47Mb Total transferred 582.47Mb (3.2358Mb/sec) 207.09 Requests/sec executed Test execution summary: total time: 180.0057s total number of events: 37278 total time taken by event execution: 359.9597 per-request statistics: min: 0.36ms avg: 9.66ms max: 3008.54ms approx. 95 percentile: 16.97ms Threads fairness: events (avg/stddev): 18639.0000/36.00 execution time (avg/stddev): 179.9799/0.00 + date + echo Sat Aug 13 20:37:50 UTC 2011 start iteration 3 Sat Aug 13 20:37:50 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 0 Read, 36225 Write, 0 Other = 36225 Total Read 0b Written 566.02Mb Total transferred 566.02Mb (3.1444Mb/sec) 201.24 Requests/sec executed Test execution summary: total time: 180.0072s total number of events: 36225 total time taken by event execution: 359.9623 per-request statistics: min: 0.36ms avg: 9.94ms max: 3297.62ms approx. 95 percentile: 16.90ms Threads fairness: events (avg/stddev): 18112.5000/15.50 execution time (avg/stddev): 179.9812/0.00 + date + echo Sat Aug 13 20:40:51 UTC 2011 start iteration 4 Sat Aug 13 20:40:51 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 0 Read, 35979 Write, 0 Other = 35979 Total Read 0b Written 562.17Mb Total transferred 562.17Mb (3.1143Mb/sec) 199.31 Requests/sec executed Test execution summary: total time: 180.5156s total number of events: 35979 total time taken by event execution: 360.9848 per-request statistics: min: 0.37ms avg: 10.03ms max: 4205.43ms approx. 95 percentile: 16.91ms Threads fairness: events (avg/stddev): 17989.5000/16.50 execution time (avg/stddev): 180.4924/0.00 + date + echo Sat Aug 13 20:43:51 UTC 2011 DONE TESTING direct-rndwr-2 Sat Aug 13 20:43:51 UTC 2011 DONE TESTING direct-rndwr-2 + exec