+ date
+ echo Sun Aug 14 09:10:35 UTC 2011 TESTING direct-rndrd-1
Sun Aug 14 09:10:35 UTC 2011 TESTING direct-rndrd-1
+ date
+ echo Sun Aug 14 09:10:35 UTC 2011 start iteration 1
Sun Aug 14 09:10:35 UTC 2011 start iteration 1
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1
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...
Done.
Operations performed: 19320 Read, 0 Write, 0 Other = 19320 Total
Read 301.88Mb Written 0b Total transferred 301.88Mb (1.6771Mb/sec)
107.33 Requests/sec executed
Test execution summary:
total time: 180.0011s
total number of events: 19320
total time taken by event execution: 179.9763
per-request statistics:
min: 0.29ms
avg: 9.32ms
max: 30.84ms
approx. 95 percentile: 13.72ms
Threads fairness:
events (avg/stddev): 19320.0000/0.00
execution time (avg/stddev): 179.9763/0.00
+ date
+ echo Sun Aug 14 09:13:35 UTC 2011 start iteration 2
Sun Aug 14 09:13:35 UTC 2011 start iteration 2
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1
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...
Done.
Operations performed: 19252 Read, 0 Write, 0 Other = 19252 Total
Read 300.81Mb Written 0b Total transferred 300.81Mb (1.6711Mb/sec)
106.95 Requests/sec executed
Test execution summary:
total time: 180.0046s
total number of events: 19252
total time taken by event execution: 179.9796
per-request statistics:
min: 0.29ms
avg: 9.35ms
max: 44.47ms
approx. 95 percentile: 13.76ms
Threads fairness:
events (avg/stddev): 19252.0000/0.00
execution time (avg/stddev): 179.9796/0.00
+ date
+ echo Sun Aug 14 09:16:35 UTC 2011 start iteration 3
Sun Aug 14 09:16:35 UTC 2011 start iteration 3
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1
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...
Done.
Operations performed: 19333 Read, 0 Write, 0 Other = 19333 Total
Read 302.08Mb Written 0b Total transferred 302.08Mb (1.6781Mb/sec)
107.40 Requests/sec executed
Test execution summary:
total time: 180.0074s
total number of events: 19333
total time taken by event execution: 179.9825
per-request statistics:
min: 0.27ms
avg: 9.31ms
max: 21.17ms
approx. 95 percentile: 13.69ms
Threads fairness:
events (avg/stddev): 19333.0000/0.00
execution time (avg/stddev): 179.9825/0.00
+ date
+ echo Sun Aug 14 09:19:35 UTC 2011 start iteration 4
Sun Aug 14 09:19:35 UTC 2011 start iteration 4
+ sysbench --test=fileio --file-total-size=100G --file-test-mode=rndrd --max-time=180 --max-requests=100000000 --num-threads=1 --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: 1
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...
Done.
Operations performed: 19280 Read, 0 Write, 0 Other = 19280 Total
Read 301.25Mb Written 0b Total transferred 301.25Mb (1.6735Mb/sec)
107.10 Requests/sec executed
Test execution summary:
total time: 180.0110s
total number of events: 19280
total time taken by event execution: 179.9863
per-request statistics:
min: 0.29ms
avg: 9.34ms
max: 17.57ms
approx. 95 percentile: 13.74ms
Threads fairness:
events (avg/stddev): 19280.0000/0.00
execution time (avg/stddev): 179.9863/0.00
+ date
+ echo Sun Aug 14 09:22:35 UTC 2011 DONE TESTING direct-rndrd-1
Sun Aug 14 09:22:35 UTC 2011 DONE TESTING direct-rndrd-1
+ exec