+ date + echo Sun Aug 14 09:58:36 UTC 2011 TESTING direct-rndrd-16 Sun Aug 14 09:58:36 UTC 2011 TESTING direct-rndrd-16 + date + echo Sun Aug 14 09:58:36 UTC 2011 start iteration 1 Sun Aug 14 09:58:36 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 35155 Read, 0 Write, 0 Other = 35155 Total Read 549.3Mb Written 0b Total transferred 549.3Mb (3.0496Mb/sec) 195.17 Requests/sec executed Test execution summary: total time: 180.1218s total number of events: 35155 total time taken by event execution: 2880.8797 per-request statistics: min: 4.69ms avg: 81.95ms max: 1126.34ms approx. 95 percentile: 259.54ms Threads fairness: events (avg/stddev): 2197.1875/62.86 execution time (avg/stddev): 180.0550/0.04 + date + echo Sun Aug 14 10:01:36 UTC 2011 start iteration 2 Sun Aug 14 10:01:36 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 35087 Read, 0 Write, 0 Other = 35087 Total Read 548.23Mb Written 0b Total transferred 548.23Mb (3.0436Mb/sec) 194.79 Requests/sec executed Test execution summary: total time: 180.1294s total number of events: 35087 total time taken by event execution: 2880.9927 per-request statistics: min: 3.59ms avg: 82.11ms max: 1001.60ms approx. 95 percentile: 256.07ms Threads fairness: events (avg/stddev): 2192.9375/52.32 execution time (avg/stddev): 180.0620/0.04 + date + echo Sun Aug 14 10:04:36 UTC 2011 start iteration 3 Sun Aug 14 10:04:36 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 35053 Read, 0 Write, 0 Other = 35053 Total Read 547.7Mb Written 0b Total transferred 547.7Mb (3.0412Mb/sec) 194.64 Requests/sec executed Test execution summary: total time: 180.0957s total number of events: 35053 total time taken by event execution: 2880.5728 per-request statistics: min: 4.15ms avg: 82.18ms max: 1005.02ms approx. 95 percentile: 260.63ms Threads fairness: events (avg/stddev): 2190.8125/32.51 execution time (avg/stddev): 180.0358/0.03 + date + echo Sun Aug 14 10:07:36 UTC 2011 start iteration 4 Sun Aug 14 10:07:36 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=16 --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: 16 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 read test Threads started! Time limit exceeded, exiting... (last message repeated 15 times) Done. Operations performed: 34948 Read, 0 Write, 0 Other = 34948 Total Read 546.06Mb Written 0b Total transferred 546.06Mb (3.0318Mb/sec) 194.04 Requests/sec executed Test execution summary: total time: 180.1088s total number of events: 34948 total time taken by event execution: 2880.7445 per-request statistics: min: 4.30ms avg: 82.43ms max: 1099.75ms approx. 95 percentile: 259.62ms Threads fairness: events (avg/stddev): 2184.2500/40.64 execution time (avg/stddev): 180.0465/0.03 + date + echo Sun Aug 14 10:10:36 UTC 2011 DONE TESTING direct-rndrd-16 Sun Aug 14 10:10:36 UTC 2011 DONE TESTING direct-rndrd-16 + exec