+ date + echo Sat Aug 13 21:41:16 UTC 2011 TESTING direct-rndrw-2 Sat Aug 13 21:41:16 UTC 2011 TESTING direct-rndrw-2 + date + echo Sat Aug 13 21:41:16 UTC 2011 start iteration 1 Sat Aug 13 21:41:16 UTC 2011 start iteration 1 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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... (last message repeated 1 times) Done. Operations performed: 28058 Read, 18706 Write, 0 Other = 46764 Total Read 438.41Mb Written 292.28Mb Total transferred 730.69Mb (3.9473Mb/sec) 252.63 Requests/sec executed Test execution summary: total time: 185.1103s total number of events: 46764 total time taken by event execution: 365.8591 per-request statistics: min: 0.00ms avg: 7.82ms max: 5875.46ms approx. 95 percentile: 47.53ms Threads fairness: events (avg/stddev): 23382.0000/17.00 execution time (avg/stddev): 182.9295/2.16 + date + echo Sat Aug 13 21:44:21 UTC 2011 start iteration 2 Sat Aug 13 21:44:21 UTC 2011 start iteration 2 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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: 58 pos: 1677705216 errno = 0 () Time limit exceeded, exiting... Done. Operations performed: 27653 Read, 18435 Write, 0 Other = 46088 Total Read 432.08Mb Written 288.05Mb Total transferred 720.12Mb (4.0004Mb/sec) 256.03 Requests/sec executed Test execution summary: total time: 180.0125s total number of events: 46088 total time taken by event execution: 182.2709 per-request statistics: min: 0.00ms avg: 3.95ms max: 5446.59ms approx. 95 percentile: 17.62ms Threads fairness: events (avg/stddev): 23044.0000/22715.00 execution time (avg/stddev): 91.1355/88.83 + date + echo Sat Aug 13 21:47:21 UTC 2011 start iteration 3 Sat Aug 13 21:47:21 UTC 2011 start iteration 3 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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: 46 pos: 1677705216 errno = 0 () FATAL: Failed to read file! file: 28 pos: 1677672448 errno = 0 () Done. Operations performed: 17911 Read, 11941 Write, 0 Other = 29852 Total Read 279.86Mb Written 186.58Mb Total transferred 466.44Mb (3.9032Mb/sec) 249.81 Requests/sec executed Test execution summary: total time: 119.5005s total number of events: 29852 total time taken by event execution: 128.3740 per-request statistics: min: 0.01ms avg: 4.30ms max: 4942.45ms approx. 95 percentile: 18.03ms Threads fairness: events (avg/stddev): 14926.0000/13678.00 execution time (avg/stddev): 64.1870/55.29 + date + echo Sat Aug 13 21:49:21 UTC 2011 start iteration 4 Sat Aug 13 21:49:21 UTC 2011 start iteration 4 + sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrw --max-time=180 --max-requests=100000000 --num-threads=2 --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: 2 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: 22 pos: 1677672448 errno = 0 () Time limit exceeded, exiting... Done. Operations performed: 26621 Read, 17747 Write, 0 Other = 44368 Total Read 415.95Mb Written 277.3Mb Total transferred 693.25Mb (3.8512Mb/sec) 246.48 Requests/sec executed Test execution summary: total time: 180.0070s total number of events: 44368 total time taken by event execution: 303.7782 per-request statistics: min: 0.00ms avg: 6.85ms max: 5159.04ms approx. 95 percentile: 32.88ms Threads fairness: events (avg/stddev): 22184.0000/6606.00 execution time (avg/stddev): 151.8891/28.09 + date + echo Sat Aug 13 21:52:21 UTC 2011 DONE TESTING direct-rndrw-2 Sat Aug 13 21:52:21 UTC 2011 DONE TESTING direct-rndrw-2 + exec