+ date + echo Sun Aug 14 09:10:35 UTC 2011 TESTING direct-rndrd-1 Sun Aug 14 09:10:35 UTC 2011 TESTING direct-rndrd-1 + date + echo Sun Aug 14 09:10:35 UTC 2011 start iteration 1 Sun Aug 14 09:10:35 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... Done. Operations performed: 19320 Read, 0 Write, 0 Other = 19320 Total Read 301.88Mb Written 0b Total transferred 301.88Mb (1.6771Mb/sec) 107.33 Requests/sec executed Test execution summary: total time: 180.0011s total number of events: 19320 total time taken by event execution: 179.9763 per-request statistics: min: 0.29ms avg: 9.32ms max: 30.84ms approx. 95 percentile: 13.72ms Threads fairness: events (avg/stddev): 19320.0000/0.00 execution time (avg/stddev): 179.9763/0.00 + date + echo Sun Aug 14 09:13:35 UTC 2011 start iteration 2 Sun Aug 14 09:13:35 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... Done. Operations performed: 19252 Read, 0 Write, 0 Other = 19252 Total Read 300.81Mb Written 0b Total transferred 300.81Mb (1.6711Mb/sec) 106.95 Requests/sec executed Test execution summary: total time: 180.0046s total number of events: 19252 total time taken by event execution: 179.9796 per-request statistics: min: 0.29ms avg: 9.35ms max: 44.47ms approx. 95 percentile: 13.76ms Threads fairness: events (avg/stddev): 19252.0000/0.00 execution time (avg/stddev): 179.9796/0.00 + date + echo Sun Aug 14 09:16:35 UTC 2011 start iteration 3 Sun Aug 14 09:16:35 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... Done. Operations performed: 19333 Read, 0 Write, 0 Other = 19333 Total Read 302.08Mb Written 0b Total transferred 302.08Mb (1.6781Mb/sec) 107.40 Requests/sec executed Test execution summary: total time: 180.0074s total number of events: 19333 total time taken by event execution: 179.9825 per-request statistics: min: 0.27ms avg: 9.31ms max: 21.17ms approx. 95 percentile: 13.69ms Threads fairness: events (avg/stddev): 19333.0000/0.00 execution time (avg/stddev): 179.9825/0.00 + date + echo Sun Aug 14 09:19:35 UTC 2011 start iteration 4 Sun Aug 14 09:19:35 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... Done. Operations performed: 19280 Read, 0 Write, 0 Other = 19280 Total Read 301.25Mb Written 0b Total transferred 301.25Mb (1.6735Mb/sec) 107.10 Requests/sec executed Test execution summary: total time: 180.0110s total number of events: 19280 total time taken by event execution: 179.9863 per-request statistics: min: 0.29ms avg: 9.34ms max: 17.57ms approx. 95 percentile: 13.74ms Threads fairness: events (avg/stddev): 19280.0000/0.00 execution time (avg/stddev): 179.9863/0.00 + date + echo Sun Aug 14 09:22:35 UTC 2011 DONE TESTING direct-rndrd-1 Sun Aug 14 09:22:35 UTC 2011 DONE TESTING direct-rndrd-1 + exec