+ date + echo Sat Aug 13 22:16:32 UTC 2011 TESTING direct-rndrw-16 Sat Aug 13 22:16:32 UTC 2011 TESTING direct-rndrw-16 + date + echo Sat Aug 13 22:16:32 UTC 2011 start iteration 1 Sat Aug 13 22:16:32 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --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 r/w test Threads started! FATAL: Failed to read file! file: 31 pos: 1677639680 errno = 0 () FATAL: Failed to read file! file: 15 pos: 1677672448 errno = 0 () Time limit exceeded, exiting... (last message repeated 13 times) Done. Operations performed: 32422 Read, 21606 Write, 0 Other = 54028 Total Read 506.59Mb Written 337.59Mb Total transferred 844.19Mb (4.6861Mb/sec) 299.91 Requests/sec executed Test execution summary: total time: 180.1468s total number of events: 54028 total time taken by event execution: 2685.6121 per-request statistics: min: 0.00ms avg: 49.71ms max: 5895.36ms approx. 95 percentile: 296.43ms Threads fairness: events (avg/stddev): 3376.7500/684.63 execution time (avg/stddev): 167.8508/33.63 + date + echo Sat Aug 13 22:19:32 UTC 2011 start iteration 2 Sat Aug 13 22:19:32 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --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 r/w test Threads started! FATAL: Failed to read file! file: 17 pos: 1677459456 errno = 0 () FATAL: Failed to read file! file: 9 pos: 1677656064 errno = 0 () Time limit exceeded, exiting... (last message repeated 13 times) Done. Operations performed: 33203 Read, 22127 Write, 0 Other = 55330 Total Read 518.8Mb Written 345.73Mb Total transferred 864.53Mb (4.7988Mb/sec) 307.12 Requests/sec executed Test execution summary: total time: 180.1575s total number of events: 55330 total time taken by event execution: 2676.9715 per-request statistics: min: 0.00ms avg: 48.38ms max: 6613.67ms approx. 95 percentile: 283.84ms Threads fairness: events (avg/stddev): 3458.1250/888.36 execution time (avg/stddev): 167.3107/42.55 + date + echo Sat Aug 13 22:22:33 UTC 2011 start iteration 3 Sat Aug 13 22:22:33 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --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 r/w test Threads started! FATAL: Failed to read file! file: 20 pos: 1677639680 errno = 0 () Time limit exceeded, exiting... (last message repeated 14 times) Done. Operations performed: 31310 Read, 20869 Write, 0 Other = 52179 Total Read 489.22Mb Written 326.08Mb Total transferred 815.3Mb (4.5255Mb/sec) 289.63 Requests/sec executed Test execution summary: total time: 180.1569s total number of events: 52179 total time taken by event execution: 2819.0492 per-request statistics: min: 0.00ms avg: 54.03ms max: 6309.91ms approx. 95 percentile: 306.17ms Threads fairness: events (avg/stddev): 3261.1875/319.45 execution time (avg/stddev): 176.1906/15.05 + date + echo Sat Aug 13 22:25:33 UTC 2011 start iteration 4 Sat Aug 13 22:25:33 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --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 r/w test Threads started! FATAL: Failed to read file! file: 50 pos: 1677705216 errno = 0 () FATAL: Failed to read file! file: 52 pos: 1677410304 errno = 0 () FATAL: Failed to read file! file: 17 pos: 1677639680 errno = 0 () Time limit exceeded, exiting... (last message repeated 12 times) Done. Operations performed: 32270 Read, 21516 Write, 0 Other = 53786 Total Read 504.22Mb Written 336.19Mb Total transferred 840.41Mb (4.6657Mb/sec) 298.60 Requests/sec executed Test execution summary: total time: 180.1260s total number of events: 53786 total time taken by event execution: 2544.7430 per-request statistics: min: 0.00ms avg: 47.31ms max: 6543.01ms approx. 95 percentile: 273.74ms Threads fairness: events (avg/stddev): 3361.6250/1170.20 execution time (avg/stddev): 159.0464/54.39 + date + echo Sat Aug 13 22:28:33 UTC 2011 DONE TESTING direct-rndrw-16 Sat Aug 13 22:28:33 UTC 2011 DONE TESTING direct-rndrw-16 + exec