+ date + echo Sat Aug 13 20:55:52 UTC 2011 TESTING direct-rndwr-8 Sat Aug 13 20:55:52 UTC 2011 TESTING direct-rndwr-8 + date + echo Sat Aug 13 20:55:52 UTC 2011 start iteration 1 Sat Aug 13 20:55:52 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, 27883 Write, 0 Other = 27883 Total Read 0b Written 435.67Mb Total transferred 435.67Mb (2.3645Mb/sec) 151.33 Requests/sec executed Test execution summary: total time: 184.2527s total number of events: 27883 total time taken by event execution: 1471.4116 per-request statistics: min: 0.44ms avg: 52.77ms max: 5978.02ms approx. 95 percentile: 69.95ms Threads fairness: events (avg/stddev): 3485.3750/13.26 execution time (avg/stddev): 183.9264/0.58 + date + echo Sat Aug 13 20:58:57 UTC 2011 start iteration 2 Sat Aug 13 20:58:57 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, 27599 Write, 0 Other = 27599 Total Read 0b Written 431.23Mb Total transferred 431.23Mb (2.3953Mb/sec) 153.30 Requests/sec executed Test execution summary: total time: 180.0330s total number of events: 27599 total time taken by event execution: 1440.1258 per-request statistics: min: 0.39ms avg: 52.18ms max: 5341.22ms approx. 95 percentile: 69.41ms Threads fairness: events (avg/stddev): 3449.8750/15.76 execution time (avg/stddev): 180.0157/0.01 + date + echo Sat Aug 13 21:01:57 UTC 2011 start iteration 3 Sat Aug 13 21:01:57 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, 26764 Write, 0 Other = 26764 Total Read 0b Written 418.19Mb Total transferred 418.19Mb (2.2904Mb/sec) 146.59 Requests/sec executed Test execution summary: total time: 182.5830s total number of events: 26764 total time taken by event execution: 1452.0784 per-request statistics: min: 0.35ms avg: 54.25ms max: 6688.65ms approx. 95 percentile: 69.68ms Threads fairness: events (avg/stddev): 3345.5000/26.67 execution time (avg/stddev): 181.5098/0.51 + date + echo Sat Aug 13 21:05:00 UTC 2011 start iteration 4 Sat Aug 13 21:05:00 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, 26925 Write, 0 Other = 26925 Total Read 0b Written 420.7Mb Total transferred 420.7Mb (2.3361Mb/sec) 149.51 Requests/sec executed Test execution summary: total time: 180.0902s total number of events: 26925 total time taken by event execution: 1440.3941 per-request statistics: min: 0.42ms avg: 53.50ms max: 6192.00ms approx. 95 percentile: 70.50ms Threads fairness: events (avg/stddev): 3365.6250/15.35 execution time (avg/stddev): 180.0493/0.04 + date + echo Sat Aug 13 21:08:00 UTC 2011 DONE TESTING direct-rndwr-8 Sat Aug 13 21:08:00 UTC 2011 DONE TESTING direct-rndwr-8 + exec