+ date + echo Sun Aug 14 10:47:22 UTC 2011 TESTING direct-rndrd-4 Sun Aug 14 10:47:22 UTC 2011 TESTING direct-rndrd-4 + date + echo Sun Aug 14 10:47:22 UTC 2011 start iteration 1 Sun Aug 14 10:47:22 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 36541 Read, 0 Write, 0 Other = 36541 Total Read 570.95Mb Written 0b Total transferred 570.95Mb (3.1715Mb/sec) 202.97 Requests/sec executed Test execution summary: total time: 180.0278s total number of events: 36541 total time taken by event execution: 720.0074 per-request statistics: min: 0.26ms avg: 19.70ms max: 189.34ms approx. 95 percentile: 59.67ms Threads fairness: events (avg/stddev): 9135.2500/82.07 execution time (avg/stddev): 180.0019/0.01 + date + echo Sun Aug 14 10:50:22 UTC 2011 start iteration 2 Sun Aug 14 10:50:22 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 36611 Read, 0 Write, 0 Other = 36611 Total Read 572.05Mb Written 0b Total transferred 572.05Mb (3.1776Mb/sec) 203.37 Requests/sec executed Test execution summary: total time: 180.0259s total number of events: 36611 total time taken by event execution: 720.0068 per-request statistics: min: 1.59ms avg: 19.67ms max: 243.28ms approx. 95 percentile: 59.48ms Threads fairness: events (avg/stddev): 9152.7500/59.38 execution time (avg/stddev): 180.0017/0.01 + date + echo Sun Aug 14 10:53:22 UTC 2011 start iteration 3 Sun Aug 14 10:53:22 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 36716 Read, 0 Write, 0 Other = 36716 Total Read 573.69Mb Written 0b Total transferred 573.69Mb (3.1866Mb/sec) 203.94 Requests/sec executed Test execution summary: total time: 180.0332s total number of events: 36716 total time taken by event execution: 720.0344 per-request statistics: min: 0.18ms avg: 19.61ms max: 295.05ms approx. 95 percentile: 59.92ms Threads fairness: events (avg/stddev): 9179.0000/64.34 execution time (avg/stddev): 180.0086/0.01 + date + echo Sun Aug 14 10:56:22 UTC 2011 start iteration 4 Sun Aug 14 10:56:22 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 36583 Read, 0 Write, 0 Other = 36583 Total Read 571.61Mb Written 0b Total transferred 571.61Mb (3.1751Mb/sec) 203.21 Requests/sec executed Test execution summary: total time: 180.0276s total number of events: 36583 total time taken by event execution: 720.0148 per-request statistics: min: 1.43ms avg: 19.68ms max: 208.73ms approx. 95 percentile: 59.62ms Threads fairness: events (avg/stddev): 9145.7500/96.62 execution time (avg/stddev): 180.0037/0.01 + date + echo Sun Aug 14 10:59:22 UTC 2011 DONE TESTING direct-rndrd-4 Sun Aug 14 10:59:22 UTC 2011 DONE TESTING direct-rndrd-4 + exec