+ date + echo Sat Aug 13 22:04:27 UTC 2011 TESTING direct-rndrw-8 Sat Aug 13 22:04:27 UTC 2011 TESTING direct-rndrw-8 + date + echo Sat Aug 13 22:04:27 UTC 2011 start iteration 1 Sat Aug 13 22:04:27 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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: 49 pos: 1677705216 errno = 0 () Time limit exceeded, exiting... (last message repeated 6 times) Done. Operations performed: 31533 Read, 21022 Write, 0 Other = 52555 Total Read 492.7Mb Written 328.47Mb Total transferred 821.17Mb (4.5591Mb/sec) 291.78 Requests/sec executed Test execution summary: total time: 180.1164s total number of events: 52555 total time taken by event execution: 1290.9402 per-request statistics: min: 0.00ms avg: 24.56ms max: 6015.97ms approx. 95 percentile: 142.71ms Threads fairness: events (avg/stddev): 6569.3750/1968.18 execution time (avg/stddev): 161.3675/49.42 + date + echo Sat Aug 13 22:07:27 UTC 2011 start iteration 2 Sat Aug 13 22:07:27 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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: 15 pos: 1677574144 errno = 0 () FATAL: Failed to read file! file: 45 pos: 1677492224 errno = 0 () FATAL: Failed to read file! file: 40 pos: 1677656064 errno = 0 () FATAL: Failed to read file! file: 15 pos: 1677639680 errno = 0 () Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 28964 Read, 19311 Write, 0 Other = 48275 Total Read 452.56Mb Written 301.73Mb Total transferred 754.3Mb (4.0802Mb/sec) 261.13 Requests/sec executed Test execution summary: total time: 184.8662s total number of events: 48275 total time taken by event execution: 975.6788 per-request statistics: min: 0.00ms avg: 20.21ms max: 5394.88ms approx. 95 percentile: 109.70ms Threads fairness: events (avg/stddev): 6034.3750/3743.59 execution time (avg/stddev): 121.9598/71.84 + date + echo Sat Aug 13 22:10:32 UTC 2011 start iteration 3 Sat Aug 13 22:10:32 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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: 15 pos: 1677672448 errno = 0 () FATAL: Failed to read file! file: 16 pos: 1677590528 errno = 0 () FATAL: Failed to read file! file: 19 pos: 1677574144 errno = 0 () Time limit exceeded, exiting... (last message repeated 4 times) Done. Operations performed: 29450 Read, 19636 Write, 0 Other = 49086 Total Read 460.16Mb Written 306.81Mb Total transferred 766.97Mb (4.2584Mb/sec) 272.54 Requests/sec executed Test execution summary: total time: 180.1054s total number of events: 49086 total time taken by event execution: 1029.5560 per-request statistics: min: 0.00ms avg: 20.97ms max: 5941.65ms approx. 95 percentile: 119.61ms Threads fairness: events (avg/stddev): 6135.7500/3385.60 execution time (avg/stddev): 128.6945/68.06 + date + echo Sat Aug 13 22:13:32 UTC 2011 start iteration 4 Sat Aug 13 22:13:32 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=8 --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: 8 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: 13 pos: 1677688832 errno = 0 () FATAL: Failed to read file! file: 57 pos: 1677705216 errno = 0 () Time limit exceeded, exiting... (last message repeated 5 times) Done. Operations performed: 29484 Read, 19653 Write, 0 Other = 49137 Total Read 460.69Mb Written 307.08Mb Total transferred 767.77Mb (4.2633Mb/sec) 272.85 Requests/sec executed Test execution summary: total time: 180.0863s total number of events: 49137 total time taken by event execution: 1325.6449 per-request statistics: min: 0.00ms avg: 26.98ms max: 6230.70ms approx. 95 percentile: 152.02ms Threads fairness: events (avg/stddev): 6142.1250/1381.96 execution time (avg/stddev): 165.7056/30.35 + date + echo Sat Aug 13 22:16:32 UTC 2011 DONE TESTING direct-rndrw-8 Sat Aug 13 22:16:32 UTC 2011 DONE TESTING direct-rndrw-8 + exec