+ date + echo Sun Aug 14 12:00:09 UTC 2011 TESTING direct-rndrd-4 Sun Aug 14 12:00:09 UTC 2011 TESTING direct-rndrd-4 + date + echo Sun Aug 14 12:00:09 UTC 2011 start iteration 1 Sun Aug 14 12:00:09 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: 34716 Read, 0 Write, 0 Other = 34716 Total Read 542.44Mb Written 0b Total transferred 542.44Mb (3.013Mb/sec) 192.83 Requests/sec executed Test execution summary: total time: 180.0297s total number of events: 34716 total time taken by event execution: 720.0183 per-request statistics: min: 1.37ms avg: 20.74ms max: 195.67ms approx. 95 percentile: 58.03ms Threads fairness: events (avg/stddev): 8679.0000/110.54 execution time (avg/stddev): 180.0046/0.01 + date + echo Sun Aug 14 12:03:09 UTC 2011 start iteration 2 Sun Aug 14 12:03:09 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: 34524 Read, 0 Write, 0 Other = 34524 Total Read 539.44Mb Written 0b Total transferred 539.44Mb (2.9964Mb/sec) 191.77 Requests/sec executed Test execution summary: total time: 180.0264s total number of events: 34524 total time taken by event execution: 720.0198 per-request statistics: min: 0.36ms avg: 20.86ms max: 1513.45ms approx. 95 percentile: 59.16ms Threads fairness: events (avg/stddev): 8631.0000/50.83 execution time (avg/stddev): 180.0049/0.01 + date + echo Sun Aug 14 12:06:09 UTC 2011 start iteration 3 Sun Aug 14 12:06:09 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: 34854 Read, 0 Write, 0 Other = 34854 Total Read 544.59Mb Written 0b Total transferred 544.59Mb (3.025Mb/sec) 193.60 Requests/sec executed Test execution summary: total time: 180.0298s total number of events: 34854 total time taken by event execution: 720.0179 per-request statistics: min: 1.43ms avg: 20.66ms max: 304.30ms approx. 95 percentile: 57.55ms Threads fairness: events (avg/stddev): 8713.5000/56.47 execution time (avg/stddev): 180.0045/0.01 + date + echo Sun Aug 14 12:09:09 UTC 2011 start iteration 4 Sun Aug 14 12:09:09 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: 34430 Read, 0 Write, 0 Other = 34430 Total Read 537.97Mb Written 0b Total transferred 537.97Mb (2.9884Mb/sec) 191.26 Requests/sec executed Test execution summary: total time: 180.0198s total number of events: 34430 total time taken by event execution: 719.9908 per-request statistics: min: 1.27ms avg: 20.91ms max: 187.96ms approx. 95 percentile: 59.44ms Threads fairness: events (avg/stddev): 8607.5000/58.65 execution time (avg/stddev): 179.9977/0.01 + date + echo Sun Aug 14 12:12:09 UTC 2011 DONE TESTING direct-rndrd-4 Sun Aug 14 12:12:09 UTC 2011 DONE TESTING direct-rndrd-4 + exec