+ date + echo Sat Aug 13 23:58:22 UTC 2011 TESTING direct-rndrw-2 Sat Aug 13 23:58:22 UTC 2011 TESTING direct-rndrw-2 + date + echo Sat Aug 13 23:58:22 UTC 2011 start iteration 1 Sat Aug 13 23:58:22 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: 38 pos: 1677656064 errno = 0 () Time limit exceeded, exiting... Done. Operations performed: 27090 Read, 18060 Write, 0 Other = 45150 Total Read 423.28Mb Written 282.19Mb Total transferred 705.47Mb (3.919Mb/sec) 250.82 Requests/sec executed Test execution summary: total time: 180.0118s total number of events: 45150 total time taken by event execution: 325.3226 per-request statistics: min: 0.00ms avg: 7.21ms max: 5869.21ms approx. 95 percentile: 28.46ms Threads fairness: events (avg/stddev): 22575.0000/3815.00 execution time (avg/stddev): 162.6613/17.33 + date + echo Sun Aug 14 00:01:22 UTC 2011 start iteration 2 Sun Aug 14 00:01:22 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: 47 pos: 1677475840 errno = 0 () FATAL: Failed to read file! file: 53 pos: 1677688832 errno = 0 () Done. Operations performed: 17859 Read, 11906 Write, 0 Other = 29765 Total Read 279.05Mb Written 186.03Mb Total transferred 465.08Mb (4.4225Mb/sec) 283.04 Requests/sec executed Test execution summary: total time: 105.1610s total number of events: 29765 total time taken by event execution: 206.1777 per-request statistics: min: 0.00ms avg: 6.93ms max: 5786.18ms approx. 95 percentile: 31.80ms Threads fairness: events (avg/stddev): 14882.5000/741.50 execution time (avg/stddev): 103.0889/2.06 + date + echo Sun Aug 14 00:03:07 UTC 2011 start iteration 3 Sun Aug 14 00:03:07 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! FATAL: Failed to read file! file: 17 pos: 1677590528 errno = 0 () Time limit exceeded, exiting... Done. Operations performed: 27590 Read, 18393 Write, 0 Other = 45983 Total Read 431.09Mb Written 287.39Mb Total transferred 718.48Mb (3.9914Mb/sec) 255.45 Requests/sec executed Test execution summary: total time: 180.0075s total number of events: 45983 total time taken by event execution: 293.7788 per-request statistics: min: 0.00ms avg: 6.39ms max: 6902.75ms approx. 95 percentile: 26.42ms Threads fairness: events (avg/stddev): 22991.5000/7687.50 execution time (avg/stddev): 146.8894/33.09 + date + echo Sun Aug 14 00:06:07 UTC 2011 start iteration 4 Sun Aug 14 00:06:07 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! FATAL: Failed to read file! file: 65 pos: 1677574144 errno = 0 () Time limit exceeded, exiting... Done. Operations performed: 28397 Read, 18932 Write, 0 Other = 47329 Total Read 443.7Mb Written 295.81Mb Total transferred 739.52Mb (4.0949Mb/sec) 262.07 Requests/sec executed Test execution summary: total time: 180.5965s total number of events: 47329 total time taken by event execution: 344.0214 per-request statistics: min: 0.00ms avg: 7.27ms max: 6912.74ms approx. 95 percentile: 30.97ms Threads fairness: events (avg/stddev): 23664.5000/2698.50 execution time (avg/stddev): 172.0107/8.56 + date + echo Sun Aug 14 00:09:08 UTC 2011 DONE TESTING direct-rndrw-2 Sun Aug 14 00:09:08 UTC 2011 DONE TESTING direct-rndrw-2 + exec