+ date + echo Sat Aug 13 18:41:53 UTC 2011 TESTING direct-rndwr-16 Sat Aug 13 18:41:53 UTC 2011 TESTING direct-rndwr-16 + date + echo Sat Aug 13 18:41:53 UTC 2011 start iteration 1 Sat Aug 13 18:41:53 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 33624 Write, 0 Other = 33624 Total Read 0b Written 525.38Mb Total transferred 525.38Mb (2.9176Mb/sec) 186.72 Requests/sec executed Test execution summary: total time: 180.0739s total number of events: 33624 total time taken by event execution: 2880.5045 per-request statistics: min: 0.33ms avg: 85.67ms max: 6054.87ms approx. 95 percentile: 137.27ms Threads fairness: events (avg/stddev): 2101.5000/8.92 execution time (avg/stddev): 180.0315/0.02 + date + echo Sat Aug 13 18:44:53 UTC 2011 start iteration 2 Sat Aug 13 18:44:53 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 32082 Write, 0 Other = 32082 Total Read 0b Written 501.28Mb Total transferred 501.28Mb (2.7838Mb/sec) 178.16 Requests/sec executed Test execution summary: total time: 180.0706s total number of events: 32082 total time taken by event execution: 2880.5085 per-request statistics: min: 0.45ms avg: 89.79ms max: 6146.21ms approx. 95 percentile: 139.88ms Threads fairness: events (avg/stddev): 2005.1250/16.43 execution time (avg/stddev): 180.0318/0.02 + date + echo Sat Aug 13 18:47:53 UTC 2011 start iteration 3 Sat Aug 13 18:47:53 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 33278 Write, 0 Other = 33278 Total Read 0b Written 519.97Mb Total transferred 519.97Mb (2.8875Mb/sec) 184.80 Requests/sec executed Test execution summary: total time: 180.0753s total number of events: 33278 total time taken by event execution: 2880.5570 per-request statistics: min: 0.28ms avg: 86.56ms max: 6469.62ms approx. 95 percentile: 136.61ms Threads fairness: events (avg/stddev): 2079.8750/11.53 execution time (avg/stddev): 180.0348/0.02 + date + echo Sat Aug 13 18:50:54 UTC 2011 start iteration 4 Sat Aug 13 18:50:54 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 15 times) Done. Operations performed: 0 Read, 32039 Write, 0 Other = 32039 Total Read 0b Written 500.61Mb Total transferred 500.61Mb (2.7802Mb/sec) 177.93 Requests/sec executed Test execution summary: total time: 180.0635s total number of events: 32039 total time taken by event execution: 2880.5016 per-request statistics: min: 0.28ms avg: 89.91ms max: 6170.08ms approx. 95 percentile: 139.75ms Threads fairness: events (avg/stddev): 2002.4375/14.00 execution time (avg/stddev): 180.0314/0.02 + date + echo Sat Aug 13 18:53:54 UTC 2011 DONE TESTING direct-rndwr-16 Sat Aug 13 18:53:54 UTC 2011 DONE TESTING direct-rndwr-16 + exec