+ date + echo Sun Aug 14 10:59:22 UTC 2011 TESTING direct-rndrd-8 Sun Aug 14 10:59:22 UTC 2011 TESTING direct-rndrd-8 + date + echo Sun Aug 14 10:59:22 UTC 2011 start iteration 1 Sun Aug 14 10:59:22 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 43664 Read, 0 Write, 0 Other = 43664 Total Read 682.25Mb Written 0b Total transferred 682.25Mb (3.7894Mb/sec) 242.52 Requests/sec executed Test execution summary: total time: 180.0401s total number of events: 43664 total time taken by event execution: 1440.0874 per-request statistics: min: 3.92ms avg: 32.98ms max: 328.48ms approx. 95 percentile: 97.20ms Threads fairness: events (avg/stddev): 5458.0000/56.30 execution time (avg/stddev): 180.0109/0.01 + date + echo Sun Aug 14 11:02:22 UTC 2011 start iteration 2 Sun Aug 14 11:02:22 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 43863 Read, 0 Write, 0 Other = 43863 Total Read 685.36Mb Written 0b Total transferred 685.36Mb (3.8067Mb/sec) 243.63 Requests/sec executed Test execution summary: total time: 180.0403s total number of events: 43863 total time taken by event execution: 1440.1100 per-request statistics: min: 3.58ms avg: 32.83ms max: 384.54ms approx. 95 percentile: 96.51ms Threads fairness: events (avg/stddev): 5482.8750/54.55 execution time (avg/stddev): 180.0138/0.01 + date + echo Sun Aug 14 11:05:22 UTC 2011 start iteration 3 Sun Aug 14 11:05:22 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 43872 Read, 0 Write, 0 Other = 43872 Total Read 685.5Mb Written 0b Total transferred 685.5Mb (3.8078Mb/sec) 243.70 Requests/sec executed Test execution summary: total time: 180.0261s total number of events: 43872 total time taken by event execution: 1440.0445 per-request statistics: min: 0.54ms avg: 32.82ms max: 345.46ms approx. 95 percentile: 96.42ms Threads fairness: events (avg/stddev): 5484.0000/91.71 execution time (avg/stddev): 180.0056/0.01 + date + echo Sun Aug 14 11:08:22 UTC 2011 start iteration 4 Sun Aug 14 11:08:22 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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 7 times) Done. Operations performed: 43796 Read, 0 Write, 0 Other = 43796 Total Read 684.31Mb Written 0b Total transferred 684.31Mb (3.8009Mb/sec) 243.26 Requests/sec executed Test execution summary: total time: 180.0394s total number of events: 43796 total time taken by event execution: 1440.0762 per-request statistics: min: 0.48ms avg: 32.88ms max: 497.74ms approx. 95 percentile: 96.07ms Threads fairness: events (avg/stddev): 5474.5000/78.41 execution time (avg/stddev): 180.0095/0.01 + date + echo Sun Aug 14 11:11:22 UTC 2011 DONE TESTING direct-rndrd-8 Sun Aug 14 11:11:22 UTC 2011 DONE TESTING direct-rndrd-8 + exec