+ date + echo Sat Aug 13 22:28:33 UTC 2011 TESTING direct-rndrw-32 Sat Aug 13 22:28:33 UTC 2011 TESTING direct-rndrw-32 + date + echo Sat Aug 13 22:28:33 UTC 2011 start iteration 1 Sat Aug 13 22:28:33 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=32 --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: 32 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: 1677705216 errno = 0 () FATAL: Failed to read file! file: 21 pos: 1677672448 errno = 0 () Time limit exceeded, exiting... (last message repeated 29 times) Done. Operations performed: 32658 Read, 21786 Write, 0 Other = 54444 Total Read 510.28Mb Written 340.41Mb Total transferred 850.69Mb (4.6958Mb/sec) 300.53 Requests/sec executed Test execution summary: total time: 181.1579s total number of events: 54444 total time taken by event execution: 5527.3256 per-request statistics: min: 0.00ms avg: 101.52ms max: 6870.07ms approx. 95 percentile: 529.98ms Threads fairness: events (avg/stddev): 1701.3750/329.97 execution time (avg/stddev): 172.7289/31.88 + date + echo Sat Aug 13 22:31:34 UTC 2011 start iteration 2 Sat Aug 13 22:31:34 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=32 --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: 32 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: 52 pos: 1677524992 errno = 0 () Time limit exceeded, exiting... (last message repeated 30 times) Done. Operations performed: 34022 Read, 22671 Write, 0 Other = 56693 Total Read 531.59Mb Written 354.23Mb Total transferred 885.83Mb (4.9151Mb/sec) 314.57 Requests/sec executed Test execution summary: total time: 180.2262s total number of events: 56693 total time taken by event execution: 5676.6780 per-request statistics: min: 0.00ms avg: 100.13ms max: 7589.48ms approx. 95 percentile: 527.13ms Threads fairness: events (avg/stddev): 1771.6562/181.77 execution time (avg/stddev): 177.3962/15.10 + date + echo Sat Aug 13 22:34:35 UTC 2011 start iteration 3 Sat Aug 13 22:34:35 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=32 --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: 32 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: 26 pos: 1677705216 errno = 0 () Time limit exceeded, exiting... (last message repeated 30 times) Done. Operations performed: 33343 Read, 22233 Write, 0 Other = 55576 Total Read 520.98Mb Written 347.39Mb Total transferred 868.38Mb (4.7559Mb/sec) 304.38 Requests/sec executed Test execution summary: total time: 182.5878s total number of events: 55576 total time taken by event execution: 5708.0197 per-request statistics: min: 0.00ms avg: 102.71ms max: 6415.67ms approx. 95 percentile: 532.68ms Threads fairness: events (avg/stddev): 1736.7500/188.72 execution time (avg/stddev): 178.3756/18.00 + date + echo Sat Aug 13 22:37:37 UTC 2011 start iteration 4 Sat Aug 13 22:37:37 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=32 --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: 32 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: 39 pos: 1677672448 errno = 0 () Time limit exceeded, exiting... (last message repeated 30 times) Done. Operations performed: 34235 Read, 22812 Write, 0 Other = 57047 Total Read 534.92Mb Written 356.44Mb Total transferred 891.36Mb (4.9456Mb/sec) 316.52 Requests/sec executed Test execution summary: total time: 180.2331s total number of events: 57047 total time taken by event execution: 5597.1296 per-request statistics: min: 0.00ms avg: 98.11ms max: 6814.01ms approx. 95 percentile: 505.34ms Threads fairness: events (avg/stddev): 1782.7188/310.25 execution time (avg/stddev): 174.9103/28.94 + date + echo Sat Aug 13 22:40:38 UTC 2011 DONE TESTING direct-rndrw-32 Sat Aug 13 22:40:38 UTC 2011 DONE TESTING direct-rndrw-32 + sleep 45 + cd /mnt/western/tsuna + exec