+ date + echo Sat Aug 13 23:00:54 UTC 2011 TESTING direct-rndrw-4 Sat Aug 13 23:00:54 UTC 2011 TESTING direct-rndrw-4 + date + echo Sat Aug 13 23:00:54 UTC 2011 start iteration 1 Sat Aug 13 23:00:54 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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: 64 pos: 1677557760 errno = 0 () Time limit exceeded, exiting... (last message repeated 2 times) Done. Operations performed: 37446 Read, 24962 Write, 0 Other = 62408 Total Read 585.09Mb Written 390.03Mb Total transferred 975.12Mb (5.4124Mb/sec) 346.40 Requests/sec executed Test execution summary: total time: 180.1642s total number of events: 62408 total time taken by event execution: 681.2370 per-request statistics: min: 0.00ms avg: 10.92ms max: 5421.43ms approx. 95 percentile: 62.88ms Threads fairness: events (avg/stddev): 15602.0000/1849.46 execution time (avg/stddev): 170.3092/16.89 + date + echo Sat Aug 13 23:03:54 UTC 2011 start iteration 2 Sat Aug 13 23:03:54 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 3 times) Done. Operations performed: 39138 Read, 26090 Write, 0 Other = 65228 Total Read 611.53Mb Written 407.66Mb Total transferred 1019.2Mb (5.6085Mb/sec) 358.95 Requests/sec executed Test execution summary: total time: 181.7208s total number of events: 65228 total time taken by event execution: 726.6774 per-request statistics: min: 0.00ms avg: 11.14ms max: 5059.38ms approx. 95 percentile: 66.48ms Threads fairness: events (avg/stddev): 16307.0000/166.36 execution time (avg/stddev): 181.6694/0.03 + date + echo Sat Aug 13 23:06:56 UTC 2011 start iteration 3 Sat Aug 13 23:06:56 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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 3 times) Done. Operations performed: 38127 Read, 25416 Write, 0 Other = 63543 Total Read 595.73Mb Written 397.12Mb Total transferred 992.86Mb (5.5147Mb/sec) 352.94 Requests/sec executed Test execution summary: total time: 180.0392s total number of events: 63543 total time taken by event execution: 720.0210 per-request statistics: min: 0.00ms avg: 11.33ms max: 5714.95ms approx. 95 percentile: 66.02ms Threads fairness: events (avg/stddev): 15885.7500/402.32 execution time (avg/stddev): 180.0053/0.01 + date + echo Sat Aug 13 23:09:56 UTC 2011 start iteration 4 Sat Aug 13 23:09:56 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=4 --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: 4 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: 64 pos: 1677524992 errno = 0 () Time limit exceeded, exiting... (last message repeated 2 times) Done. Operations performed: 35676 Read, 23785 Write, 0 Other = 59461 Total Read 557.44Mb Written 371.64Mb Total transferred 929.08Mb (5.0792Mb/sec) 325.07 Requests/sec executed Test execution summary: total time: 182.9170s total number of events: 59461 total time taken by event execution: 547.6557 per-request statistics: min: 0.00ms avg: 9.21ms max: 5131.69ms approx. 95 percentile: 51.84ms Threads fairness: events (avg/stddev): 14865.2500/8468.01 execution time (avg/stddev): 136.9139/78.16 + date + echo Sat Aug 13 23:12:59 UTC 2011 DONE TESTING direct-rndrw-4 Sat Aug 13 23:12:59 UTC 2011 DONE TESTING direct-rndrw-4 + exec