+ date + echo Sat Aug 13 21:32:58 UTC 2011 TESTING direct-rndrw-1 Sat Aug 13 21:32:58 UTC 2011 TESTING direct-rndrw-1 + date + echo Sat Aug 13 21:32:58 UTC 2011 start iteration 1 Sat Aug 13 21:32:58 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: 28 pos: 1677574144 errno = 0 () Done. Operations performed: 12279 Read, 8186 Write, 0 Other = 20465 Total Read 191.86Mb Written 127.91Mb Total transferred 319.77Mb (4.2518Mb/sec) 272.12 Requests/sec executed Test execution summary: total time: 75.2065s total number of events: 20465 total time taken by event execution: 75.1867 per-request statistics: min: 0.01ms avg: 3.67ms max: 4367.50ms approx. 95 percentile: 17.30ms Threads fairness: events (avg/stddev): 20465.0000/0.00 execution time (avg/stddev): 75.1867/0.00 + date + echo Sat Aug 13 21:34:14 UTC 2011 start iteration 2 Sat Aug 13 21:34:14 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! Time limit exceeded, exiting... Done. Operations performed: 27141 Read, 18094 Write, 0 Other = 45235 Total Read 424.08Mb Written 282.72Mb Total transferred 706.8Mb (3.9266Mb/sec) 251.30 Requests/sec executed Test execution summary: total time: 180.0042s total number of events: 45235 total time taken by event execution: 179.9611 per-request statistics: min: 0.01ms avg: 3.98ms max: 5270.13ms approx. 95 percentile: 17.37ms Threads fairness: events (avg/stddev): 45235.0000/0.00 execution time (avg/stddev): 179.9611/0.00 + date + echo Sat Aug 13 21:37:14 UTC 2011 start iteration 3 Sat Aug 13 21:37:14 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! FATAL: Failed to read file! file: 66 pos: 1677688832 errno = 0 () Done. Operations performed: 9982 Read, 6655 Write, 0 Other = 16637 Total Read 155.97Mb Written 103.98Mb Total transferred 259.95Mb (4.1859Mb/sec) 267.90 Requests/sec executed Test execution summary: total time: 62.1025s total number of events: 16637 total time taken by event execution: 62.0861 per-request statistics: min: 0.01ms avg: 3.73ms max: 4817.64ms approx. 95 percentile: 17.43ms Threads fairness: events (avg/stddev): 16637.0000/0.00 execution time (avg/stddev): 62.0861/0.00 + date + echo Sat Aug 13 21:38:16 UTC 2011 start iteration 4 Sat Aug 13 21:38:16 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: 26713 Read, 17808 Write, 0 Other = 44521 Total Read 417.39Mb Written 278.25Mb Total transferred 695.64Mb (3.8643Mb/sec) 247.31 Requests/sec executed Test execution summary: total time: 180.0187s total number of events: 44521 total time taken by event execution: 179.9763 per-request statistics: min: 0.01ms avg: 4.04ms max: 5142.98ms approx. 95 percentile: 17.31ms Threads fairness: events (avg/stddev): 44521.0000/0.00 execution time (avg/stddev): 179.9763/0.00 + date + echo Sat Aug 13 21:41:16 UTC 2011 DONE TESTING direct-rndrw-1 Sat Aug 13 21:41:16 UTC 2011 DONE TESTING direct-rndrw-1 + exec