+ date + echo Sun Aug 14 09:22:35 UTC 2011 TESTING direct-rndrd-2 Sun Aug 14 09:22:35 UTC 2011 TESTING direct-rndrd-2 + date + echo Sun Aug 14 09:22:35 UTC 2011 start iteration 1 Sun Aug 14 09:22:35 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 21117 Read, 0 Write, 0 Other = 21117 Total Read 329.95Mb Written 0b Total transferred 329.95Mb (1.833Mb/sec) 117.31 Requests/sec executed Test execution summary: total time: 180.0077s total number of events: 21117 total time taken by event execution: 359.9820 per-request statistics: min: 0.26ms avg: 17.05ms max: 129.35ms approx. 95 percentile: 38.58ms Threads fairness: events (avg/stddev): 10558.5000/2151.50 execution time (avg/stddev): 179.9910/0.01 + date + echo Sun Aug 14 09:25:35 UTC 2011 start iteration 2 Sun Aug 14 09:25:35 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 21135 Read, 0 Write, 0 Other = 21135 Total Read 330.23Mb Written 0b Total transferred 330.23Mb (1.8344Mb/sec) 117.40 Requests/sec executed Test execution summary: total time: 180.0241s total number of events: 21135 total time taken by event execution: 360.0111 per-request statistics: min: 0.26ms avg: 17.03ms max: 144.87ms approx. 95 percentile: 39.10ms Threads fairness: events (avg/stddev): 10567.5000/2227.50 execution time (avg/stddev): 180.0055/0.00 + date + echo Sun Aug 14 09:28:35 UTC 2011 start iteration 3 Sun Aug 14 09:28:35 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 21084 Read, 0 Write, 0 Other = 21084 Total Read 329.44Mb Written 0b Total transferred 329.44Mb (1.8301Mb/sec) 117.12 Requests/sec executed Test execution summary: total time: 180.0133s total number of events: 21084 total time taken by event execution: 359.9890 per-request statistics: min: 0.25ms avg: 17.07ms max: 143.81ms approx. 95 percentile: 38.75ms Threads fairness: events (avg/stddev): 10542.0000/2193.00 execution time (avg/stddev): 179.9945/0.01 + date + echo Sun Aug 14 09:31:35 UTC 2011 start iteration 4 Sun Aug 14 09:31:35 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 1 times) Done. Operations performed: 21082 Read, 0 Write, 0 Other = 21082 Total Read 329.41Mb Written 0b Total transferred 329.41Mb (1.83Mb/sec) 117.12 Requests/sec executed Test execution summary: total time: 180.0046s total number of events: 21082 total time taken by event execution: 359.9799 per-request statistics: min: 0.26ms avg: 17.08ms max: 154.10ms approx. 95 percentile: 38.81ms Threads fairness: events (avg/stddev): 10541.0000/2134.00 execution time (avg/stddev): 179.9899/0.00 + date + echo Sun Aug 14 09:34:35 UTC 2011 DONE TESTING direct-rndrd-2 Sun Aug 14 09:34:35 UTC 2011 DONE TESTING direct-rndrd-2 + exec