+ date + echo Sat Aug 13 22:50:20 UTC 2011 TESTING direct-rndrw-2 Sat Aug 13 22:50:20 UTC 2011 TESTING direct-rndrw-2 + date + echo Sat Aug 13 22:50:20 UTC 2011 start iteration 1 Sat Aug 13 22:50:20 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 r/w test Threads started! FATAL: Failed to read file! file: 16 pos: 1677705216 errno = 0 () FATAL: Failed to read file! file: 32 pos: 1677672448 errno = 0 () Done. Operations performed: 21724 Read, 14483 Write, 0 Other = 36207 Total Read 339.44Mb Written 226.3Mb Total transferred 565.73Mb (4.0052Mb/sec) 256.33 Requests/sec executed Test execution summary: total time: 141.2510s total number of events: 36207 total time taken by event execution: 144.0536 per-request statistics: min: 0.00ms avg: 3.98ms max: 4407.60ms approx. 95 percentile: 23.18ms Threads fairness: events (avg/stddev): 18103.5000/17577.50 execution time (avg/stddev): 72.0268/69.19 + date + echo Sat Aug 13 22:52:42 UTC 2011 start iteration 2 Sat Aug 13 22:52:42 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 r/w test Threads started! FATAL: Failed to read file! file: 42 pos: 1677443072 errno = 0 () FATAL: Failed to read file! file: 38 pos: 1677705216 errno = 0 () Done. Operations performed: 21182 Read, 14122 Write, 0 Other = 35304 Total Read 330.97Mb Written 220.66Mb Total transferred 551.62Mb (4.1872Mb/sec) 267.98 Requests/sec executed Test execution summary: total time: 131.7423s total number of events: 35304 total time taken by event execution: 141.8246 per-request statistics: min: 0.00ms avg: 4.02ms max: 4636.83ms approx. 95 percentile: 24.68ms Threads fairness: events (avg/stddev): 17652.0000/15736.00 execution time (avg/stddev): 70.9123/60.80 + date + echo Sat Aug 13 22:54:53 UTC 2011 start iteration 3 Sat Aug 13 22:54:53 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 r/w test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 32019 Read, 21345 Write, 0 Other = 53364 Total Read 500.3Mb Written 333.52Mb Total transferred 833.81Mb (4.6307Mb/sec) 296.37 Requests/sec executed Test execution summary: total time: 180.0602s total number of events: 53364 total time taken by event execution: 360.0164 per-request statistics: min: 0.00ms avg: 6.75ms max: 5100.78ms approx. 95 percentile: 37.70ms Threads fairness: events (avg/stddev): 26682.0000/426.00 execution time (avg/stddev): 180.0082/0.03 + date + echo Sat Aug 13 22:57:54 UTC 2011 start iteration 4 Sat Aug 13 22:57:54 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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 r/w test Threads started! Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 32984 Read, 21988 Write, 0 Other = 54972 Total Read 515.38Mb Written 343.56Mb Total transferred 858.94Mb (4.7695Mb/sec) 305.25 Requests/sec executed Test execution summary: total time: 180.0907s total number of events: 54972 total time taken by event execution: 360.1194 per-request statistics: min: 0.01ms avg: 6.55ms max: 4732.73ms approx. 95 percentile: 38.11ms Threads fairness: events (avg/stddev): 27486.0000/982.00 execution time (avg/stddev): 180.0597/0.00 + date + echo Sat Aug 13 23:00:54 UTC 2011 DONE TESTING direct-rndrw-2 Sat Aug 13 23:00:54 UTC 2011 DONE TESTING direct-rndrw-2 + exec