+ date
+ echo Sat Aug 13 18:29:52 UTC 2011 TESTING direct-rndwr-8
Sat Aug 13 18:29:52 UTC 2011 TESTING direct-rndwr-8
+ date
+ echo Sat Aug 13 18:29:52 UTC 2011 start iteration 1
Sat Aug 13 18:29:52 UTC 2011 start iteration 1
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test
Threads started!
Time limit exceeded, exiting...
(last message repeated 7 times)
Done.
Operations performed: 0 Read, 34814 Write, 0 Other = 34814 Total
Read 0b Written 543.97Mb Total transferred 543.97Mb (3.0214Mb/sec)
193.37 Requests/sec executed
Test execution summary:
total time: 180.0357s
total number of events: 34814
total time taken by event execution: 1440.1172
per-request statistics:
min: 0.29ms
avg: 41.37ms
max: 5067.63ms
approx. 95 percentile: 54.64ms
Threads fairness:
events (avg/stddev): 4351.7500/22.75
execution time (avg/stddev): 180.0147/0.01
+ date
+ echo Sat Aug 13 18:32:52 UTC 2011 start iteration 2
Sat Aug 13 18:32:52 UTC 2011 start iteration 2
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test
Threads started!
Time limit exceeded, exiting...
(last message repeated 7 times)
Done.
Operations performed: 0 Read, 33405 Write, 0 Other = 33405 Total
Read 0b Written 521.95Mb Total transferred 521.95Mb (2.8993Mb/sec)
185.56 Requests/sec executed
Test execution summary:
total time: 180.0270s
total number of events: 33405
total time taken by event execution: 1440.0554
per-request statistics:
min: 0.37ms
avg: 43.11ms
max: 5419.10ms
approx. 95 percentile: 55.20ms
Threads fairness:
events (avg/stddev): 4175.6250/11.84
execution time (avg/stddev): 180.0069/0.01
+ date
+ echo Sat Aug 13 18:35:53 UTC 2011 start iteration 3
Sat Aug 13 18:35:53 UTC 2011 start iteration 3
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test
Threads started!
Time limit exceeded, exiting...
(last message repeated 7 times)
Done.
Operations performed: 0 Read, 33426 Write, 0 Other = 33426 Total
Read 0b Written 522.28Mb Total transferred 522.28Mb (2.901Mb/sec)
185.66 Requests/sec executed
Test execution summary:
total time: 180.0342s
total number of events: 33426
total time taken by event execution: 1440.1032
per-request statistics:
min: 0.57ms
avg: 43.08ms
max: 5629.85ms
approx. 95 percentile: 56.34ms
Threads fairness:
events (avg/stddev): 4178.2500/13.01
execution time (avg/stddev): 180.0129/0.01
+ date
+ echo Sat Aug 13 18:38:53 UTC 2011 start iteration 4
Sat Aug 13 18:38:53 UTC 2011 start iteration 4
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndwr --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 write test
Threads started!
Time limit exceeded, exiting...
(last message repeated 7 times)
Done.
Operations performed: 0 Read, 32448 Write, 0 Other = 32448 Total
Read 0b Written 507Mb Total transferred 507Mb (2.8163Mb/sec)
180.25 Requests/sec executed
Test execution summary:
total time: 180.0208s
total number of events: 32448
total time taken by event execution: 1440.0402
per-request statistics:
min: 0.28ms
avg: 44.38ms
max: 5630.83ms
approx. 95 percentile: 55.42ms
Threads fairness:
events (avg/stddev): 4056.0000/15.60
execution time (avg/stddev): 180.0050/0.01
+ date
+ echo Sat Aug 13 18:41:53 UTC 2011 DONE TESTING direct-rndwr-8
Sat Aug 13 18:41:53 UTC 2011 DONE TESTING direct-rndwr-8
+ exec