+ date
+ echo Sat Aug 13 11:23:00 UTC 2011 TESTING direct-seqrd-16
Sat Aug 13 11:23:00 UTC 2011 TESTING direct-seqrd-16
+ date
+ echo Sat Aug 13 11:23:00 UTC 2011 start iteration 1
Sat Aug 13 11:23:00 UTC 2011 start iteration 1
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=seqrd --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
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Time limit exceeded, exiting...
(last message repeated 15 times)
Done.
Operations performed: 1494371 Read, 0 Write, 0 Other = 1494371 Total
Read 22.802Gb Written 0b Total transferred 22.802Gb (129.72Mb/sec)
8301.98 Requests/sec executed
Test execution summary:
total time: 180.0017s
total number of events: 1494371
total time taken by event execution: 2879.0874
per-request statistics:
min: 1.63ms
avg: 1.93ms
max: 13.64ms
approx. 95 percentile: 2.10ms
Threads fairness:
events (avg/stddev): 93398.1875/0.39
execution time (avg/stddev): 179.9430/0.01
+ date
+ echo Sat Aug 13 11:26:00 UTC 2011 start iteration 2
Sat Aug 13 11:26:00 UTC 2011 start iteration 2
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=seqrd --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
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Time limit exceeded, exiting...
(last message repeated 15 times)
Done.
Operations performed: 1487892 Read, 0 Write, 0 Other = 1487892 Total
Read 22.703Gb Written 0b Total transferred 22.703Gb (129.16Mb/sec)
8265.99 Requests/sec executed
Test execution summary:
total time: 180.0018s
total number of events: 1487892
total time taken by event execution: 2879.0595
per-request statistics:
min: 1.67ms
avg: 1.93ms
max: 18.96ms
approx. 95 percentile: 2.11ms
Threads fairness:
events (avg/stddev): 92993.2500/0.43
execution time (avg/stddev): 179.9412/0.01
+ date
+ echo Sat Aug 13 11:29:00 UTC 2011 start iteration 3
Sat Aug 13 11:29:00 UTC 2011 start iteration 3
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=seqrd --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
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Time limit exceeded, exiting...
(last message repeated 15 times)
Done.
Operations performed: 1486176 Read, 0 Write, 0 Other = 1486176 Total
Read 22.677Gb Written 0b Total transferred 22.677Gb (129.01Mb/sec)
8256.46 Requests/sec executed
Test execution summary:
total time: 180.0016s
total number of events: 1486176
total time taken by event execution: 2879.0465
per-request statistics:
min: 1.63ms
avg: 1.94ms
max: 15.63ms
approx. 95 percentile: 2.11ms
Threads fairness:
events (avg/stddev): 92886.0000/0.50
execution time (avg/stddev): 179.9404/0.00
+ date
+ echo Sat Aug 13 11:32:00 UTC 2011 start iteration 4
Sat Aug 13 11:32:00 UTC 2011 start iteration 4
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=seqrd --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
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Time limit exceeded, exiting...
(last message repeated 15 times)
Done.
Operations performed: 1490596 Read, 0 Write, 0 Other = 1490596 Total
Read 22.745Gb Written 0b Total transferred 22.745Gb (129.39Mb/sec)
8281.01 Requests/sec executed
Test execution summary:
total time: 180.0017s
total number of events: 1490596
total time taken by event execution: 2879.0798
per-request statistics:
min: 1.65ms
avg: 1.93ms
max: 12.78ms
approx. 95 percentile: 2.10ms
Threads fairness:
events (avg/stddev): 93162.2500/0.43
execution time (avg/stddev): 179.9425/0.01
+ date
+ echo Sat Aug 13 11:35:00 UTC 2011 DONE TESTING direct-seqrd-16
Sat Aug 13 11:35:00 UTC 2011 DONE TESTING direct-seqrd-16
+ exec