Notebook:
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=seqwr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential write (creation) test
 Threads started!
 Done.
Operations performed: 0 Read, 131072 Write, 128 Other = 131200 Total
 Read 0b Written 2Gb Total transferred 2Gb (117.73Mb/sec)
 7534.80 Requests/sec executed
Test execution summary:
 total time: 17.3955s
 total number of events: 131072
 total time taken by event execution: 31.7855
 per-request statistics:
 min: 0.02ms
 avg: 0.24ms
 max: 615.77ms
 approx. 95 percentile: 0.05ms
Threads fairness:
 events (avg/stddev): 65536.0000/1576.00
 execution time (avg/stddev): 15.8927/0.00
--------------------------------------------------------
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=seqrewr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential rewrite test
 Threads started!
 Done.
Operations performed: 0 Read, 131072 Write, 128 Other = 131200 Total
 Read 0b Written 2Gb Total transferred 2Gb (123.26Mb/sec)
 7888.78 Requests/sec executed
Test execution summary:
 total time: 16.6150s
 total number of events: 131072
 total time taken by event execution: 30.1406
 per-request statistics:
 min: 0.02ms
 avg: 0.23ms
 max: 167.29ms
 approx. 95 percentile: 0.03ms
Threads fairness:
 events (avg/stddev): 65536.0000/444.00
 execution time (avg/stddev): 15.0703/0.00
---------------------------------------------------
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=seqrd run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential read test
 Threads started!
 Done.
Operations performed: 131072 Read, 0 Write, 0 Other = 131072 Total
 Read 2Gb Written 0b Total transferred 2Gb (134.39Mb/sec)
 8601.01 Requests/sec executed
Test execution summary:
 total time: 15.2391s
 total number of events: 131072
 total time taken by event execution: 30.2639
 per-request statistics:
 min: 0.01ms
 avg: 0.23ms
 max: 5.72ms
 approx. 95 percentile: 0.89ms
Threads fairness:
 events (avg/stddev): 65536.0000/212.00
 execution time (avg/stddev): 15.1319/0.00
-------------------------------------------------------
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=rndrd run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random read test
 Threads started!
 Done.
Operations performed: 10000 Read, 0 Write, 0 Other = 10000 Total
 Read 156.25Mb Written 0b Total transferred 156.25Mb (117.93Mb/sec)
 7547.71 Requests/sec executed
Test execution summary:
 total time: 1.3249s
 total number of events: 10000
 total time taken by event execution: 2.6317
 per-request statistics:
 min: 0.01ms
 avg: 0.26ms
 max: 2.24ms
 approx. 95 percentile: 0.38ms
Threads fairness:
 events (avg/stddev): 5000.0000/30.00
 execution time (avg/stddev): 1.3158/0.00
---------------------------------------------------
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=rndwr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random write test
 Threads started!
 Done.
Operations performed: 0 Read, 10000 Write, 12800 Other = 22800 Total
 Read 0b Written 156.25Mb Total transferred 156.25Mb (18.142Mb/sec)
 1161.12 Requests/sec executed
Test execution summary:
 total time: 8.6124s
 total number of events: 10000
 total time taken by event execution: 0.2944
 per-request statistics:
 min: 0.01ms
 avg: 0.03ms
 max: 6.28ms
 approx. 95 percentile: 0.03ms
Threads fairness:
 events (avg/stddev): 5000.0000/507.00
 execution time (avg/stddev): 0.1472/0.01
---------------------------------------------
root@notebook-malte:/home/malte# sysbench --num-threads=2 --test=fileio --file-test-mode=rndrw run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random r/w test
 Threads started!
 Done.
Operations performed: 6000 Read, 4000 Write, 12800 Other = 22800 Total
 Read 93.75Mb Written 62.5Mb Total transferred 156.25Mb (35.313Mb/sec)
 2260.05 Requests/sec executed
Test execution summary:
 total time: 4.4247s
 total number of events: 10000
 total time taken by event execution: 0.2178
 per-request statistics:
 min: 0.01ms
 avg: 0.02ms
 max: 1.98ms
 approx. 95 percentile: 0.02ms
Threads fairness:
 events (avg/stddev): 5000.0000/223.00
 execution time (avg/stddev): 0.1089/0.00
----------------------------------
Server:
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=seqwr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential write (creation) test
 Threads started!
 Done.
Operations performed: 0 Read, 131072 Write, 128 Other = 131200 Total
 Read 0b Written 2Gb Total transferred 2Gb (67.25Mb/sec)
 4303.98 Requests/sec executed
Test execution summary:
 total time: 30.4537s
 total number of events: 131072
 total time taken by event execution: 26.3365
 per-request statistics:
 min: 0.01ms
 avg: 0.20ms
 max: 1821.59ms
 approx. 95 percentile: 0.02ms
Threads fairness:
 events (avg/stddev): 65536.0000/1871.00
 execution time (avg/stddev): 13.1682/0.00
-----------------------------------------------------------
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=seqrewr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential rewrite test
 Threads started!
 Done.
Operations performed: 0 Read, 131072 Write, 128 Other = 131200 Total
 Read 0b Written 2Gb Total transferred 2Gb (58.582Mb/sec)
 3749.23 Requests/sec executed
Test execution summary:
 total time: 34.9597s
 total number of events: 131072
 total time taken by event execution: 38.7608
 per-request statistics:
 min: 0.00ms
 avg: 0.30ms
 max: 2851.41ms
 approx. 95 percentile: 0.01ms
Threads fairness:
 events (avg/stddev): 65536.0000/595.00
 execution time (avg/stddev): 19.3804/0.00
----------------------------------------------------
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=seqrd run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing sequential read test
 Threads started!
 Done.
Operations performed: 131072 Read, 0 Write, 0 Other = 131072 Total
 Read 2Gb Written 0b Total transferred 2Gb (8.8546Gb/sec)
 580297.67 Requests/sec executed
Test execution summary:
 total time: 0.2259s
 total number of events: 131072
 total time taken by event execution: 0.4294
 per-request statistics:
 min: 0.00ms
 avg: 0.00ms
 max: 1.78ms
 approx. 95 percentile: 0.00ms
Threads fairness:
 events (avg/stddev): 65536.0000/171.00
 execution time (avg/stddev): 0.2147/0.00
-------------------------------------------
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=rndrd run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random read test
 Threads started!
 Done.
Operations performed: 10004 Read, 0 Write, 0 Other = 10004 Total
 Read 156.31Mb Written 0b Total transferred 156.31Mb (7.6983Gb/sec)
 504514.46 Requests/sec executed
Test execution summary:
 total time: 0.0198s
 total number of events: 10004
 total time taken by event execution: 0.0351
 per-request statistics:
 min: 0.00ms
 avg: 0.00ms
 max: 0.26ms
 approx. 95 percentile: 0.00ms
Threads fairness:
 events (avg/stddev): 5002.0000/41.00
 execution time (avg/stddev): 0.0176/0.00
---------------------------------------------
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=rndwr run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random write test
 Threads started!
 Done.
Operations performed: 0 Read, 10000 Write, 12803 Other = 22803 Total
 Read 0b Written 156.25Mb Total transferred 156.25Mb (1.4738Mb/sec)
 94.32 Requests/sec executed
Test execution summary:
 total time: 106.0178s
 total number of events: 10000
 total time taken by event execution: 0.3000
 per-request statistics:
 min: 0.00ms
 avg: 0.03ms
 max: 40.59ms
 approx. 95 percentile: 0.01ms
Threads fairness:
 events (avg/stddev): 5000.0000/34.00
 execution time (avg/stddev): 0.1500/0.06
-----------------------------------
root@vps-K003195-1:/var# sysbench --num-threads=2 --test=fileio --file-test-mode=rndrw run
 sysbench 0.4.12: multi-threaded system evaluation benchmark
Running the test with following options:
 Number of threads: 2
Extra file open flags: 0
 128 files, 16Mb each
 2Gb total file size
 Block size 16Kb
 Number of random requests for random IO: 10000
 Read/Write ratio for combined random IO test: 1.50
 Periodic FSYNC enabled, calling fsync() each 100 requests.
 Calling fsync() at the end of test, Enabled.
 Using synchronous I/O mode
 Doing random r/w test
 Threads started!
 Done.
Operations performed: 6000 Read, 4001 Write, 12800 Other = 22801 Total
 Read 93.75Mb Written 62.516Mb Total transferred 156.27Mb (2.1453Mb/sec)
 137.30 Requests/sec executed
Test execution summary:
 total time: 72.8399s
 total number of events: 10001
 total time taken by event execution: 0.1151
 per-request statistics:
 min: 0.00ms
 avg: 0.01ms
 max: 38.02ms
 approx. 95 percentile: 0.01ms
Threads fairness:
 events (avg/stddev): 5000.5000/59.50
 execution time (avg/stddev): 0.0576/0.02

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