+ date + echo Sat Aug 13 20:19:44 UTC 2011 TESTING direct-rndwr-1 Sat Aug 13 20:19:44 UTC 2011 TESTING direct-rndwr-1 + date + echo Sat Aug 13 20:19:44 UTC 2011 start iteration 1 Sat Aug 13 20:19:44 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 44601 Write, 0 Other = 44601 Total Read 0b Written 696.89Mb Total transferred 696.89Mb (3.8704Mb/sec) 247.71 Requests/sec executed Test execution summary: total time: 180.0550s total number of events: 44601 total time taken by event execution: 180.0015 per-request statistics: min: 0.33ms avg: 4.04ms max: 630.49ms approx. 95 percentile: 11.59ms Threads fairness: events (avg/stddev): 44601.0000/0.00 execution time (avg/stddev): 180.0015/0.00 + date + echo Sat Aug 13 20:22:45 UTC 2011 start iteration 2 Sat Aug 13 20:22:45 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 41323 Write, 0 Other = 41323 Total Read 0b Written 645.67Mb Total transferred 645.67Mb (3.5869Mb/sec) 229.56 Requests/sec executed Test execution summary: total time: 180.0079s total number of events: 41323 total time taken by event execution: 179.9588 per-request statistics: min: 0.29ms avg: 4.35ms max: 1153.75ms approx. 95 percentile: 12.11ms Threads fairness: events (avg/stddev): 41323.0000/0.00 execution time (avg/stddev): 179.9588/0.00 + date + echo Sat Aug 13 20:25:46 UTC 2011 start iteration 3 Sat Aug 13 20:25:46 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 38255 Write, 0 Other = 38255 Total Read 0b Written 597.73Mb Total transferred 597.73Mb (3.3207Mb/sec) 212.52 Requests/sec executed Test execution summary: total time: 180.0051s total number of events: 38255 total time taken by event execution: 179.9593 per-request statistics: min: 0.31ms avg: 4.70ms max: 1576.74ms approx. 95 percentile: 12.46ms Threads fairness: events (avg/stddev): 38255.0000/0.00 execution time (avg/stddev): 179.9593/0.00 + date + echo Sat Aug 13 20:28:46 UTC 2011 start iteration 4 Sat Aug 13 20:28:46 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 0 Read, 37396 Write, 0 Other = 37396 Total Read 0b Written 584.31Mb Total transferred 584.31Mb (3.2461Mb/sec) 207.75 Requests/sec executed Test execution summary: total time: 180.0037s total number of events: 37396 total time taken by event execution: 179.9582 per-request statistics: min: 0.29ms avg: 4.81ms max: 2080.12ms approx. 95 percentile: 12.45ms Threads fairness: events (avg/stddev): 37396.0000/0.00 execution time (avg/stddev): 179.9582/0.00 + date + echo Sat Aug 13 20:31:47 UTC 2011 DONE TESTING direct-rndwr-1 Sat Aug 13 20:31:47 UTC 2011 DONE TESTING direct-rndwr-1 + exec