+ date + echo Sat Aug 13 21:52:21 UTC 2011 TESTING direct-rndrw-4 Sat Aug 13 21:52:21 UTC 2011 TESTING direct-rndrw-4 + date + echo Sat Aug 13 21:52:21 UTC 2011 start iteration 1 Sat Aug 13 21:52:21 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: 24 pos: 1677672448 errno = 0 () FATAL: Failed to read file! file: 61 pos: 1677705216 errno = 0 () Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 29024 Read, 19348 Write, 0 Other = 48372 Total Read 453.5Mb Written 302.31Mb Total transferred 755.81Mb (4.1982Mb/sec) 268.68 Requests/sec executed Test execution summary: total time: 180.0328s total number of events: 48372 total time taken by event execution: 621.4170 per-request statistics: min: 0.00ms avg: 12.85ms max: 5638.13ms approx. 95 percentile: 73.49ms Threads fairness: events (avg/stddev): 12093.0000/3354.01 execution time (avg/stddev): 155.3542/35.28 + date + echo Sat Aug 13 21:55:21 UTC 2011 start iteration 2 Sat Aug 13 21:55:21 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: 28529 Read, 19023 Write, 0 Other = 47552 Total Read 445.77Mb Written 297.23Mb Total transferred 743Mb (4.0919Mb/sec) 261.88 Requests/sec executed Test execution summary: total time: 181.5763s total number of events: 47552 total time taken by event execution: 724.8326 per-request statistics: min: 0.00ms avg: 15.24ms max: 5452.33ms approx. 95 percentile: 83.26ms Threads fairness: events (avg/stddev): 11888.0000/280.05 execution time (avg/stddev): 181.2081/0.21 + date + echo Sat Aug 13 21:58:23 UTC 2011 start iteration 3 Sat Aug 13 21:58:23 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! FATAL: Failed to read file! file: 34 pos: 1677459456 errno = 0 () FATAL: Failed to read file! file: 66 pos: 1677672448 errno = 0 () Time limit exceeded, exiting... (last message repeated 1 times) Done. Operations performed: 27964 Read, 18643 Write, 0 Other = 46607 Total Read 436.94Mb Written 291.3Mb Total transferred 728.23Mb (4.0453Mb/sec) 258.90 Requests/sec executed Test execution summary: total time: 180.0177s total number of events: 46607 total time taken by event execution: 562.7835 per-request statistics: min: 0.00ms avg: 12.08ms max: 6935.54ms approx. 95 percentile: 71.16ms Threads fairness: events (avg/stddev): 11651.7500/5486.79 execution time (avg/stddev): 140.6959/65.31 + date + echo Sat Aug 13 22:01:23 UTC 2011 start iteration 4 Sat Aug 13 22:01:23 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: 34 pos: 1677426688 errno = 0 () Time limit exceeded, exiting... (last message repeated 2 times) Done. Operations performed: 28306 Read, 18872 Write, 0 Other = 47178 Total Read 442.28Mb Written 294.88Mb Total transferred 737.16Mb (4.0041Mb/sec) 256.26 Requests/sec executed Test execution summary: total time: 184.1004s total number of events: 47178 total time taken by event execution: 724.1687 per-request statistics: min: 0.00ms avg: 15.35ms max: 5048.10ms approx. 95 percentile: 85.26ms Threads fairness: events (avg/stddev): 11794.5000/321.10 execution time (avg/stddev): 181.0422/5.28 + date + echo Sat Aug 13 22:04:27 UTC 2011 DONE TESTING direct-rndrw-4 Sat Aug 13 22:04:27 UTC 2011 DONE TESTING direct-rndrw-4 + exec