+ date + echo Sat Aug 13 22:41:23 UTC 2011 TESTING direct-rndrw-1 Sat Aug 13 22:41:23 UTC 2011 TESTING direct-rndrw-1 + date + echo Sat Aug 13 22:41:23 UTC 2011 start iteration 1 Sat Aug 13 22:41:23 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: 14 pos: 1677705216 errno = 0 () Done. Operations performed: 5164 Read, 3443 Write, 0 Other = 8607 Total Read 80.688Mb Written 53.797Mb Total transferred 134.48Mb (4.8024Mb/sec) 307.35 Requests/sec executed Test execution summary: total time: 28.0035s total number of events: 8607 total time taken by event execution: 27.9948 per-request statistics: min: 0.00ms avg: 3.25ms max: 148.86ms approx. 95 percentile: 22.28ms Threads fairness: events (avg/stddev): 8607.0000/0.00 execution time (avg/stddev): 27.9948/0.00 + date + echo Sat Aug 13 22:41:51 UTC 2011 start iteration 2 Sat Aug 13 22:41:51 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: 22 pos: 1677656064 errno = 0 () Done. Operations performed: 24269 Read, 16180 Write, 0 Other = 40449 Total Read 379.2Mb Written 252.81Mb Total transferred 632.02Mb (4.2244Mb/sec) 270.36 Requests/sec executed Test execution summary: total time: 149.6118s total number of events: 40449 total time taken by event execution: 149.5739 per-request statistics: min: 0.00ms avg: 3.70ms max: 4292.32ms approx. 95 percentile: 21.84ms Threads fairness: events (avg/stddev): 40449.0000/0.00 execution time (avg/stddev): 149.5739/0.00 + date + echo Sat Aug 13 22:44:20 UTC 2011 start iteration 3 Sat Aug 13 22:44:20 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: 28202 Read, 18801 Write, 0 Other = 47003 Total Read 440.66Mb Written 293.77Mb Total transferred 734.42Mb (4.0799Mb/sec) 261.12 Requests/sec executed Test execution summary: total time: 180.0085s total number of events: 47003 total time taken by event execution: 179.9631 per-request statistics: min: 0.00ms avg: 3.83ms max: 4373.34ms approx. 95 percentile: 22.65ms Threads fairness: events (avg/stddev): 47003.0000/0.00 execution time (avg/stddev): 179.9631/0.00 + date + echo Sat Aug 13 22:47:20 UTC 2011 start iteration 4 Sat Aug 13 22:47:20 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! Time limit exceeded, exiting... Done. Operations performed: 28869 Read, 19246 Write, 0 Other = 48115 Total Read 451.08Mb Written 300.72Mb Total transferred 751.8Mb (4.1765Mb/sec) 267.29 Requests/sec executed Test execution summary: total time: 180.0080s total number of events: 48115 total time taken by event execution: 179.9624 per-request statistics: min: 0.00ms avg: 3.74ms max: 4610.07ms approx. 95 percentile: 22.77ms Threads fairness: events (avg/stddev): 48115.0000/0.00 execution time (avg/stddev): 179.9624/0.00 + date + echo Sat Aug 13 22:50:20 UTC 2011 DONE TESTING direct-rndrw-1 Sat Aug 13 22:50:20 UTC 2011 DONE TESTING direct-rndrw-1 + exec