+ date + echo Sun Aug 14 12:24:09 UTC 2011 TESTING direct-rndrd-16 Sun Aug 14 12:24:09 UTC 2011 TESTING direct-rndrd-16 + date + echo Sun Aug 14 12:24:09 UTC 2011 start iteration 1 Sun Aug 14 12:24:09 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 46338 Read, 0 Write, 0 Other = 46338 Total Read 724.03Mb Written 0b Total transferred 724.03Mb (4.0206Mb/sec) 257.32 Requests/sec executed Test execution summary: total time: 180.0822s total number of events: 46338 total time taken by event execution: 2880.5657 per-request statistics: min: 1.39ms avg: 62.16ms max: 1552.77ms approx. 95 percentile: 198.01ms Threads fairness: events (avg/stddev): 2896.1250/65.62 execution time (avg/stddev): 180.0354/0.02 + date + echo Sun Aug 14 12:27:09 UTC 2011 start iteration 2 Sun Aug 14 12:27:09 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 46344 Read, 0 Write, 0 Other = 46344 Total Read 724.12Mb Written 0b Total transferred 724.12Mb (4.0206Mb/sec) 257.32 Requests/sec executed Test execution summary: total time: 180.1040s total number of events: 46344 total time taken by event execution: 2880.6744 per-request statistics: min: 1.36ms avg: 62.16ms max: 1527.58ms approx. 95 percentile: 197.83ms Threads fairness: events (avg/stddev): 2896.5000/50.93 execution time (avg/stddev): 180.0421/0.03 + date + echo Sun Aug 14 12:30:09 UTC 2011 start iteration 3 Sun Aug 14 12:30:09 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 46272 Read, 0 Write, 0 Other = 46272 Total Read 723Mb Written 0b Total transferred 723Mb (4.0149Mb/sec) 256.95 Requests/sec executed Test execution summary: total time: 180.0806s total number of events: 46272 total time taken by event execution: 2880.4976 per-request statistics: min: 0.99ms avg: 62.25ms max: 1522.58ms approx. 95 percentile: 198.90ms Threads fairness: events (avg/stddev): 2892.0000/47.59 execution time (avg/stddev): 180.0311/0.02 + date + echo Sun Aug 14 12:33:09 UTC 2011 start iteration 4 Sun Aug 14 12:33:09 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 46260 Read, 0 Write, 0 Other = 46260 Total Read 722.81Mb Written 0b Total transferred 722.81Mb (4.0138Mb/sec) 256.88 Requests/sec executed Test execution summary: total time: 180.0815s total number of events: 46260 total time taken by event execution: 2880.4891 per-request statistics: min: 0.96ms avg: 62.27ms max: 1521.43ms approx. 95 percentile: 196.00ms Threads fairness: events (avg/stddev): 2891.2500/65.87 execution time (avg/stddev): 180.0306/0.02 + date + echo Sun Aug 14 12:36:09 UTC 2011 DONE TESTING direct-rndrd-16 Sun Aug 14 12:36:09 UTC 2011 DONE TESTING direct-rndrd-16 + exec