+ date + echo Sun Aug 14 09:34:35 UTC 2011 TESTING direct-rndrd-4 Sun Aug 14 09:34:35 UTC 2011 TESTING direct-rndrd-4 + date + echo Sun Aug 14 09:34:35 UTC 2011 start iteration 1 Sun Aug 14 09:34:35 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 23684 Read, 0 Write, 0 Other = 23684 Total Read 370.06Mb Written 0b Total transferred 370.06Mb (2.0555Mb/sec) 131.55 Requests/sec executed Test execution summary: total time: 180.0337s total number of events: 23684 total time taken by event execution: 720.0476 per-request statistics: min: 2.54ms avg: 30.40ms max: 194.98ms approx. 95 percentile: 72.14ms Threads fairness: events (avg/stddev): 5921.0000/122.09 execution time (avg/stddev): 180.0119/0.01 + date + echo Sun Aug 14 09:37:35 UTC 2011 start iteration 2 Sun Aug 14 09:37:35 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 23750 Read, 0 Write, 0 Other = 23750 Total Read 371.09Mb Written 0b Total transferred 371.09Mb (2.0613Mb/sec) 131.92 Requests/sec executed Test execution summary: total time: 180.0312s total number of events: 23750 total time taken by event execution: 720.0395 per-request statistics: min: 0.35ms avg: 30.32ms max: 240.70ms approx. 95 percentile: 71.99ms Threads fairness: events (avg/stddev): 5937.5000/23.03 execution time (avg/stddev): 180.0099/0.01 + date + echo Sun Aug 14 09:40:35 UTC 2011 start iteration 3 Sun Aug 14 09:40:35 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 23709 Read, 0 Write, 0 Other = 23709 Total Read 370.45Mb Written 0b Total transferred 370.45Mb (2.0577Mb/sec) 131.69 Requests/sec executed Test execution summary: total time: 180.0310s total number of events: 23709 total time taken by event execution: 720.0309 per-request statistics: min: 2.59ms avg: 30.37ms max: 327.83ms approx. 95 percentile: 72.08ms Threads fairness: events (avg/stddev): 5927.2500/90.71 execution time (avg/stddev): 180.0077/0.01 + date + echo Sun Aug 14 09:43:36 UTC 2011 start iteration 4 Sun Aug 14 09:43:36 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=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 read test Threads started! Time limit exceeded, exiting... (last message repeated 3 times) Done. Operations performed: 23780 Read, 0 Write, 0 Other = 23780 Total Read 371.56Mb Written 0b Total transferred 371.56Mb (2.0639Mb/sec) 132.09 Requests/sec executed Test execution summary: total time: 180.0276s total number of events: 23780 total time taken by event execution: 720.0213 per-request statistics: min: 2.87ms avg: 30.28ms max: 265.87ms approx. 95 percentile: 71.69ms Threads fairness: events (avg/stddev): 5945.0000/45.95 execution time (avg/stddev): 180.0053/0.01 + date + echo Sun Aug 14 09:46:36 UTC 2011 DONE TESTING direct-rndrd-4 Sun Aug 14 09:46:36 UTC 2011 DONE TESTING direct-rndrd-4 + exec