+ date + echo Sat Aug 13 18:17:51 UTC 2011 TESTING direct-rndwr-4 Sat Aug 13 18:17:51 UTC 2011 TESTING direct-rndwr-4 + date + echo Sat Aug 13 18:17:51 UTC 2011 start iteration 1 Sat Aug 13 18:17:51 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 35690 Write, 0 Other = 35690 Total Read 0b Written 557.66Mb Total transferred 557.66Mb (3.0978Mb/sec) 198.26 Requests/sec executed Test execution summary: total time: 180.0171s total number of events: 35690 total time taken by event execution: 719.9961 per-request statistics: min: 0.46ms avg: 20.17ms max: 4263.63ms approx. 95 percentile: 25.59ms Threads fairness: events (avg/stddev): 8922.5000/9.53 execution time (avg/stddev): 179.9990/0.00 + date + echo Sat Aug 13 18:20:51 UTC 2011 start iteration 2 Sat Aug 13 18:20:51 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 35894 Write, 0 Other = 35894 Total Read 0b Written 560.84Mb Total transferred 560.84Mb (3.1155Mb/sec) 199.40 Requests/sec executed Test execution summary: total time: 180.0144s total number of events: 35894 total time taken by event execution: 719.9841 per-request statistics: min: 0.44ms avg: 20.06ms max: 4341.24ms approx. 95 percentile: 25.73ms Threads fairness: events (avg/stddev): 8973.5000/14.81 execution time (avg/stddev): 179.9960/0.01 + date + echo Sat Aug 13 18:23:51 UTC 2011 start iteration 3 Sat Aug 13 18:23:51 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 34710 Write, 0 Other = 34710 Total Read 0b Written 542.34Mb Total transferred 542.34Mb (3.0127Mb/sec) 192.81 Requests/sec executed Test execution summary: total time: 180.0202s total number of events: 34710 total time taken by event execution: 720.0059 per-request statistics: min: 0.29ms avg: 20.74ms max: 4570.40ms approx. 95 percentile: 25.68ms Threads fairness: events (avg/stddev): 8677.5000/20.96 execution time (avg/stddev): 180.0015/0.01 + date + echo Sat Aug 13 18:26:52 UTC 2011 start iteration 4 Sat Aug 13 18:26:52 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 0 Read, 33948 Write, 0 Other = 33948 Total Read 0b Written 530.44Mb Total transferred 530.44Mb (2.9405Mb/sec) 188.19 Requests/sec executed Test execution summary: total time: 180.3891s total number of events: 33948 total time taken by event execution: 721.5123 per-request statistics: min: 0.47ms avg: 21.25ms max: 5248.69ms approx. 95 percentile: 25.82ms Threads fairness: events (avg/stddev): 8487.0000/7.71 execution time (avg/stddev): 180.3781/0.00 + date + echo Sat Aug 13 18:29:52 UTC 2011 DONE TESTING direct-rndwr-4 Sat Aug 13 18:29:52 UTC 2011 DONE TESTING direct-rndwr-4 + exec