+ date + echo Sat Aug 13 23:49:54 UTC 2011 TESTING direct-rndrw-1 Sat Aug 13 23:49:54 UTC 2011 TESTING direct-rndrw-1 + date + echo Sat Aug 13 23:49:54 UTC 2011 start iteration 1 Sat Aug 13 23:49:54 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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: 39 pos: 1677688832 errno = 0 () Done. Operations performed: 15333 Read, 10222 Write, 0 Other = 25555 Total Read 239.58Mb Written 159.72Mb Total transferred 399.3Mb (4.1519Mb/sec) 265.72 Requests/sec executed Test execution summary: total time: 96.1713s total number of events: 25555 total time taken by event execution: 96.1471 per-request statistics: min: 0.01ms avg: 3.76ms max: 6218.19ms approx. 95 percentile: 18.90ms Threads fairness: events (avg/stddev): 25555.0000/0.00 execution time (avg/stddev): 96.1471/0.00 + date + echo Sat Aug 13 23:51:30 UTC 2011 start iteration 2 Sat Aug 13 23:51:30 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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: 1677590528 errno = 0 () Done. Operations performed: 17886 Read, 11924 Write, 0 Other = 29810 Total Read 279.47Mb Written 186.31Mb Total transferred 465.78Mb (3.9707Mb/sec) 254.12 Requests/sec executed Test execution summary: total time: 117.3047s total number of events: 29810 total time taken by event execution: 117.2767 per-request statistics: min: 0.00ms avg: 3.93ms max: 5129.10ms approx. 95 percentile: 19.19ms Threads fairness: events (avg/stddev): 29810.0000/0.00 execution time (avg/stddev): 117.2767/0.00 + date + echo Sat Aug 13 23:53:27 UTC 2011 start iteration 3 Sat Aug 13 23:53:27 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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... Done. Operations performed: 27855 Read, 18570 Write, 0 Other = 46425 Total Read 435.23Mb Written 290.16Mb Total transferred 725.39Mb (4.0294Mb/sec) 257.88 Requests/sec executed Test execution summary: total time: 180.0224s total number of events: 46425 total time taken by event execution: 179.9794 per-request statistics: min: 0.00ms avg: 3.88ms max: 6319.17ms approx. 95 percentile: 19.35ms Threads fairness: events (avg/stddev): 46425.0000/0.00 execution time (avg/stddev): 179.9794/0.00 + date + echo Sat Aug 13 23:56:27 UTC 2011 start iteration 4 Sat Aug 13 23:56:27 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1 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: 37 pos: 1677705216 errno = 0 () Done. Operations performed: 16867 Read, 11245 Write, 0 Other = 28112 Total Read 263.55Mb Written 175.7Mb Total transferred 439.25Mb (3.8383Mb/sec) 245.65 Requests/sec executed Test execution summary: total time: 114.4378s total number of events: 28112 total time taken by event execution: 114.4108 per-request statistics: min: 0.01ms avg: 4.07ms max: 4496.97ms approx. 95 percentile: 19.54ms Threads fairness: events (avg/stddev): 28112.0000/0.00 execution time (avg/stddev): 114.4108/0.00 + date + echo Sat Aug 13 23:58:22 UTC 2011 DONE TESTING direct-rndrw-1 Sat Aug 13 23:58:22 UTC 2011 DONE TESTING direct-rndrw-1 + exec