+ date + echo Sat Aug 13 19:42:48 UTC 2011 TESTING direct-rndwr-8 Sat Aug 13 19:42:48 UTC 2011 TESTING direct-rndwr-8 + date + echo Sat Aug 13 19:42:48 UTC 2011 start iteration 1 Sat Aug 13 19:42:48 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 42500 Write, 0 Other = 42500 Total Read 0b Written 664.06Mb Total transferred 664.06Mb (3.6886Mb/sec) 236.07 Requests/sec executed Test execution summary: total time: 180.0302s total number of events: 42500 total time taken by event execution: 1440.0897 per-request statistics: min: 0.21ms avg: 33.88ms max: 4857.11ms approx. 95 percentile: 41.52ms Threads fairness: events (avg/stddev): 5312.5000/14.39 execution time (avg/stddev): 180.0112/0.01 + date + echo Sat Aug 13 19:45:48 UTC 2011 start iteration 2 Sat Aug 13 19:45:48 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=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 write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 42247 Write, 0 Other = 42247 Total Read 0b Written 660.11Mb Total transferred 660.11Mb (3.6422Mb/sec) 233.10 Requests/sec executed Test execution summary: total time: 181.2397s total number of events: 42247 total time taken by event execution: 1448.2002 per-request statistics: min: 0.20ms avg: 34.28ms max: 5530.72ms approx. 95 percentile: 41.40ms Threads fairness: events (avg/stddev): 5280.8750/20.33 execution time (avg/stddev): 181.0250/0.27 + date + echo Sat Aug 13 19:48:50 UTC 2011 start iteration 3 Sat Aug 13 19:48:50 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 43210 Write, 0 Other = 43210 Total Read 0b Written 675.16Mb Total transferred 675.16Mb (3.7503Mb/sec) 240.02 Requests/sec executed Test execution summary: total time: 180.0270s total number of events: 43210 total time taken by event execution: 1440.0637 per-request statistics: min: 0.19ms avg: 33.33ms max: 5932.67ms approx. 95 percentile: 41.24ms Threads fairness: events (avg/stddev): 5401.2500/20.59 execution time (avg/stddev): 180.0080/0.01 + date + echo Sat Aug 13 19:51:50 UTC 2011 start iteration 4 Sat Aug 13 19:51:50 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. Operations performed: 0 Read, 41060 Write, 0 Other = 41060 Total Read 0b Written 641.56Mb Total transferred 641.56Mb (3.5637Mb/sec) 228.08 Requests/sec executed Test execution summary: total time: 180.0275s total number of events: 41060 total time taken by event execution: 1440.0664 per-request statistics: min: 0.19ms avg: 35.07ms max: 6072.08ms approx. 95 percentile: 41.60ms Threads fairness: events (avg/stddev): 5132.5000/17.71 execution time (avg/stddev): 180.0083/0.01 + date + echo Sat Aug 13 19:54:50 UTC 2011 DONE TESTING direct-rndwr-8 Sat Aug 13 19:54:50 UTC 2011 DONE TESTING direct-rndwr-8 + exec