+ date + echo Sat Aug 13 17:53:47 UTC 2011 TESTING direct-rndwr-1 Sat Aug 13 17:53:47 UTC 2011 TESTING direct-rndwr-1 + date + echo Sat Aug 13 17:53:47 UTC 2011 start iteration 1 Sat Aug 13 17:53:47 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... Done. Operations performed: 0 Read, 46902 Write, 0 Other = 46902 Total Read 0b Written 732.84Mb Total transferred 732.84Mb (4.0713Mb/sec) 260.56 Requests/sec executed Test execution summary: total time: 180.0041s total number of events: 46902 total time taken by event execution: 179.9474 per-request statistics: min: 0.14ms avg: 3.84ms max: 553.53ms approx. 95 percentile: 5.24ms Threads fairness: events (avg/stddev): 46902.0000/0.00 execution time (avg/stddev): 179.9474/0.00 + date + echo Sat Aug 13 17:56:48 UTC 2011 start iteration 2 Sat Aug 13 17:56:48 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... Done. Operations performed: 0 Read, 45814 Write, 0 Other = 45814 Total Read 0b Written 715.84Mb Total transferred 715.84Mb (3.9768Mb/sec) 254.52 Requests/sec executed Test execution summary: total time: 180.0040s total number of events: 45814 total time taken by event execution: 179.9491 per-request statistics: min: 0.21ms avg: 3.93ms max: 1040.25ms approx. 95 percentile: 5.65ms Threads fairness: events (avg/stddev): 45814.0000/0.00 execution time (avg/stddev): 179.9491/0.00 + date + echo Sat Aug 13 17:59:49 UTC 2011 start iteration 3 Sat Aug 13 17:59:49 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... Done. Operations performed: 0 Read, 43290 Write, 0 Other = 43290 Total Read 0b Written 676.41Mb Total transferred 676.41Mb (3.7578Mb/sec) 240.50 Requests/sec executed Test execution summary: total time: 180.0025s total number of events: 43290 total time taken by event execution: 179.9498 per-request statistics: min: 0.20ms avg: 4.16ms max: 1336.72ms approx. 95 percentile: 6.10ms Threads fairness: events (avg/stddev): 43290.0000/0.00 execution time (avg/stddev): 179.9498/0.00 + date + echo Sat Aug 13 18:02:49 UTC 2011 start iteration 4 Sat Aug 13 18:02:49 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... Done. Operations performed: 0 Read, 40453 Write, 0 Other = 40453 Total Read 0b Written 632.08Mb Total transferred 632.08Mb (3.5115Mb/sec) 224.73 Requests/sec executed Test execution summary: total time: 180.0047s total number of events: 40453 total time taken by event execution: 179.9556 per-request statistics: min: 0.20ms avg: 4.45ms max: 1714.03ms approx. 95 percentile: 6.32ms Threads fairness: events (avg/stddev): 40453.0000/0.00 execution time (avg/stddev): 179.9556/0.00 + date + echo Sat Aug 13 18:05:50 UTC 2011 DONE TESTING direct-rndwr-1 Sat Aug 13 18:05:50 UTC 2011 DONE TESTING direct-rndwr-1 + exec