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Performance report #4238
SSD NodesKVM - LEB Large
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Test results for KVM - LEB Large at SSD Nodes


Server specs:


4 × Intel Core Processor (Broadwell)
8 GB RAM / 82 GB disk space
Ubuntu 16.04 Xenial
Montreal, Canada

Benchmark results summary:


UnixBench - 3496.7
Disk Read - 5892 MB/s
Disk Write - 1375 MB/s
Bandwidth - 377.71 MB/s

More: https://serverscope.io/trials/KBDP
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Cpu chip
Server Specs
CPU
4 × Intel Core Processor (Broadwell)
CPU Cores
4 × 2300 MHz
RAM
8 GB
Disk
82 GB
OS
Ubuntu 16.04 Xenial
Location
Montreal, Canada
Benchmark summary
Benchmark summary
UnixBench
3496.7
Disk Read
5892 MB/s
Disk Write
1375 MB/s
Bandwidth
377.71 Mbit/s
Speedtest
220.51 Mbit/s
Graph analysis
UnixBench Score
UnixBench (all CPUs)
3496.7
UnixBench (one CPU)
1603.3
Terminal
Raw Output
gcc -o pgms/arithoh -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Darithoh src/arith.c 
gcc -o pgms/register -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum="register int" src/arith.c 
gcc -o pgms/short -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=short src/arith.c 
gcc -o pgms/int -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=int src/arith.c 
gcc -o pgms/long -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=long src/arith.c 
gcc -o pgms/float -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=float src/arith.c 
gcc -o pgms/double -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=double src/arith.c 
gcc -o pgms/hanoi -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/hanoi.c 
gcc -o pgms/syscall -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/syscall.c 
gcc -o pgms/context1 -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/context1.c 
gcc -o pgms/pipe -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/pipe.c 
src/pipe.c: In function xe2x80x98mainxe2x80x99:
src/pipe.c:52:2: warning: ignoring return value of xe2x80x98pipexe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
  pipe(pvec);
  ^
gcc -o pgms/spawn -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/spawn.c 
gcc -o pgms/execl -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/execl.c 
In file included from src/execl.c:34:0:
src/big.c: In function xe2x80x98dummyxe2x80x99:
src/big.c:109:5: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
     freopen("masterlog.00", "a", stderr);
     ^
src/big.c:197:6: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
      freopen(logname, "w", stderr);
      ^
src/big.c:221:3: warning: ignoring return value of xe2x80x98dupxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
   dup(pvec[0]);
   ^
src/big.c:225:6: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
      freopen(logname, "w", stderr);
      ^
src/big.c:318:4: warning: ignoring return value of xe2x80x98writexe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
    write(fcopy, cp->line, p - cp->line + 1);
    ^
gcc -o pgms/dhry2 -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DHZ= ./src/dhry_1.c ./src/dhry_2.c
gcc -o pgms/dhry2reg -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DHZ= -DREG=register ./src/dhry_1.c ./src/dhry_2.c
gcc -o pgms/looper -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/looper.c 
gcc -o pgms/fstime -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/fstime.c 
gcc -o pgms/whetstone-double -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DDP -DUNIX -DUNIXBENCH src/whets.c -lm
make all
make[1]: Entering directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
make distr
make[2]: Entering directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
make[2]: Leaving directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
make programs
make[2]: Entering directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
make[2]: Nothing to be done for "programs".
make[2]: Leaving directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
make[1]: Leaving directory "/root/serverscope-IMtpeG/byte-unixbench/UnixBench"
sh: 1: 3dinfo: not found

   #    #  #    #  #  #    #          #####   ######  #    #   ####   #    #
   #    #  ##   #  #   #  #           #    #  #       ##   #  #    #  #    #
   #    #  # #  #  #    ##            #####   #####   # #  #  #       ######
   #    #  #  # #  #    ##            #    #  #       #  # #  #       #    #
   #    #  #   ##  #   #  #           #    #  #       #   ##  #    #  #    #
    ####   #    #  #  #    #          #####   ######  #    #   ####   #    #

   Version 5.1.3                      Based on the Byte Magazine Unix Benchmark

   Multi-CPU version                  Version 5 revisions by Ian Smith,
                                      Sunnyvale, CA, USA
   January 13, 2011                   johantheghost at yahoo period com


1 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput  1 2 3

1 x File Copy 1024 bufsize 2000 maxblocks  1 2 3

1 x File Copy 256 bufsize 500 maxblocks  1 2 3

1 x File Copy 4096 bufsize 8000 maxblocks  1 2 3

1 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10

1 x Process Creation  1 2 3

1 x System Call Overhead  1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent)  1 2 3

1 x Shell Scripts (8 concurrent)  1 2 3

4 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10

4 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10

4 x Execl Throughput  1 2 3

4 x File Copy 1024 bufsize 2000 maxblocks  1 2 3

4 x File Copy 256 bufsize 500 maxblocks  1 2 3

4 x File Copy 4096 bufsize 8000 maxblocks  1 2 3

4 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10

4 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10

4 x Process Creation  1 2 3

4 x System Call Overhead  1 2 3 4 5 6 7 8 9 10

4 x Shell Scripts (1 concurrent)  1 2 3

4 x Shell Scripts (8 concurrent)  1 2 3

========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)

   System: Narcissus: GNU/Linux
   OS: GNU/Linux -- 4.4.0-72-generic -- #93-Ubuntu SMP Fri Mar 31 14:07:41 UTC 2017
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel Core Processor (Broadwell) (4600.0 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 1: Intel Core Processor (Broadwell) (4600.0 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 2: Intel Core Processor (Broadwell) (4600.0 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 3: Intel Core Processor (Broadwell) (4600.0 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   04:42:15 up 19 min,  1 user,  load average: 7.89, 4.59, 1.97; runlevel 2017-10-02

------------------------------------------------------------------------
Benchmark Run: Mon Oct 02 2017 04:42:15 - 05:10:23
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       32390869.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     3953.7 MWIPS (9.9 s, 7 samples)
Execl Throughput                               3493.9 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks       1016413.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          280184.5 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2062352.6 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1895235.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 149117.9 lps   (10.0 s, 7 samples)
Process Creation                               9165.9 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  10065.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   3111.4 lpm   (60.0 s, 2 samples)
System Call Overhead                        3397630.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   32390869.9   2775.6
Double-Precision Whetstone                       55.0       3953.7    718.9
Execl Throughput                                 43.0       3493.9    812.5
File Copy 1024 bufsize 2000 maxblocks          3960.0    1016413.8   2566.7
File Copy 256 bufsize 500 maxblocks            1655.0     280184.5   1693.0
File Copy 4096 bufsize 8000 maxblocks          5800.0    2062352.6   3555.8
Pipe Throughput                               12440.0    1895235.2   1523.5
Pipe-based Context Switching                   4000.0     149117.9    372.8
Process Creation                                126.0       9165.9    727.4
Shell Scripts (1 concurrent)                     42.4      10065.9   2374.0
Shell Scripts (8 concurrent)                      6.0       3111.4   5185.7
System Call Overhead                          15000.0    3397630.5   2265.1
                                                                   ========
System Benchmarks Index Score                                        1603.3

------------------------------------------------------------------------
Benchmark Run: Mon Oct 02 2017 05:10:23 - 05:38:31
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables      127277309.6 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    15880.2 MWIPS (9.9 s, 7 samples)
Execl Throughput                              14876.7 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        863765.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          223653.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2576407.7 KBps  (30.0 s, 2 samples)
Pipe Throughput                             7492105.4 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 542729.5 lps   (10.0 s, 7 samples)
Process Creation                              33325.9 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  29435.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   3926.7 lpm   (60.0 s, 2 samples)
System Call Overhead                        3578493.1 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0  127277309.6  10906.4
Double-Precision Whetstone                       55.0      15880.2   2887.3
Execl Throughput                                 43.0      14876.7   3459.7
File Copy 1024 bufsize 2000 maxblocks          3960.0     863765.9   2181.2
File Copy 256 bufsize 500 maxblocks            1655.0     223653.9   1351.4
File Copy 4096 bufsize 8000 maxblocks          5800.0    2576407.7   4442.1
Pipe Throughput                               12440.0    7492105.4   6022.6
Pipe-based Context Switching                   4000.0     542729.5   1356.8
Process Creation                                126.0      33325.9   2644.9
Shell Scripts (1 concurrent)                     42.4      29435.0   6942.2
Shell Scripts (8 concurrent)                      6.0       3926.7   6544.5
System Call Overhead                          15000.0    3578493.1   2385.7
                                                                   ========
System Benchmarks Index Score                                        3496.7

Hard drive
dd
dd if=/dev/zero of=benchmark bs=64K count=32K conv=fdatasync
32768+0 records in
32768+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 3.36037 s, 639 MB/s


dd if=/dev/zero of=benchmark bs=1M count=2048 conv=fdatasync
2048+0 records in
2048+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 3.27165 s, 656 MB/s


Hard drive
FIO random read
Performance
5892.9 MB/s
IOPS
1544806
./fio --time_based --name=benchmark --size=256M --runtime=60 --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting
benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)
benchmark: Laying out IO file(s) (1 file(s) / 256MB)

benchmark: (groupid=0, jobs=8): err= 0: pid=16137: Mon Oct  2 04:39:11 2017
  read : io=353574MB, bw=5892.9MB/s, iops=1508.6K, runt= 60001msec
    clat (usec): min=0, max=22756, avg= 3.70, stdev=110.65
     lat (usec): min=0, max=22757, avg= 3.96, stdev=115.90
    clat percentiles (usec):
     |  1.00th=[    1],  5.00th=[    1], 10.00th=[    1], 20.00th=[    1],
     | 30.00th=[    1], 40.00th=[    1], 50.00th=[    1], 60.00th=[    1],
     | 70.00th=[    1], 80.00th=[    2], 90.00th=[    2], 95.00th=[    2],
     | 99.00th=[    4], 99.50th=[  129], 99.90th=[  270], 99.95th=[  298],
     | 99.99th=[ 4048]
    bw (KB  /s): min=13781, max=1919600, per=12.48%, avg=753354.05, stdev=431604.42
    lat (usec) : 2=73.01%, 4=25.98%, 10=0.25%, 20=0.12%, 50=0.04%
    lat (usec) : 100=0.03%, 250=0.41%, 500=0.14%, 750=0.01%, 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
  cpu          : usr=10.69%, sys=31.14%, ctx=615243, majf=0, minf=81
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=90514859/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: io=353574MB, aggrb=5892.9MB/s, minb=5892.9MB/s, maxb=5892.9MB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
    dm-0: ios=524288/724, merge=0/0, ticks=102372/3436, in_queue=108116, util=28.09%, aggrios=524288/67, aggrmerge=0/632, aggrticks=102604/200, aggrin_queue=102728, aggrutil=27.91%
  sda: ios=524288/67, merge=0/632, ticks=102604/200, in_queue=102728, util=27.91%
Hard drive
FIO random direct read
Performance
125.85 MB/s
IOPS
32217
./fio --time_based --name=benchmark --size=256M --runtime=60 --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting
benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32
...
fio-2.8
Starting 8 processes

benchmark: (groupid=0, jobs=8): err= 0: pid=16147: Mon Oct  2 04:40:12 2017
  read : io=7551.6MB, bw=128869KB/s, iops=32217, runt= 60001msec
    clat (usec): min=52, max=29113, avg=246.00, stdev=162.71
     lat (usec): min=52, max=29113, avg=246.21, stdev=162.73
    clat percentiles (usec):
     |  1.00th=[   96],  5.00th=[  147], 10.00th=[  191], 20.00th=[  209],
     | 30.00th=[  219], 40.00th=[  229], 50.00th=[  237], 60.00th=[  249],
     | 70.00th=[  262], 80.00th=[  274], 90.00th=[  298], 95.00th=[  318],
     | 99.00th=[  494], 99.50th=[  772], 99.90th=[ 1432], 99.95th=[ 1768],
     | 99.99th=[ 6560]
    bw (KB  /s): min=11664, max=19864, per=12.50%, avg=16103.43, stdev=996.45
    lat (usec) : 100=1.22%, 250=60.12%, 500=37.69%, 750=0.44%, 1000=0.23%
    lat (msec) : 2=0.27%, 4=0.02%, 10=0.01%, 20=0.01%, 50=0.01%
  cpu          : usr=1.06%, sys=4.65%, ctx=1934850, majf=0, minf=83
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=1933070/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: io=7551.6MB, aggrb=128869KB/s, minb=128869KB/s, maxb=128869KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
    dm-0: ios=1930883/9, merge=0/0, ticks=454684/0, in_queue=465508, util=100.00%, aggrios=1933070/6, aggrmerge=0/3, aggrticks=455052/0, aggrin_queue=454904, aggrutil=99.82%
  sda: ios=1933070/6, merge=0/3, ticks=455052/0, in_queue=454904, util=99.82%
Hard drive
FIO random write
Performance
1375.6 MB/s
IOPS
352129
./fio --time_based --name=benchmark --size=256M --runtime=60 --filename=benchmark --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting
benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32
...
fio-2.8
Starting 8 processes

benchmark: (groupid=0, jobs=8): err= 0: pid=16167: Mon Oct  2 04:42:12 2017
  write: io=82533MB, bw=1375.6MB/s, iops=352129, runt= 60002msec
    clat (usec): min=0, max=360558, avg=21.47, stdev=602.80
     lat (usec): min=1, max=360558, avg=21.67, stdev=603.32
    clat percentiles (usec):
     |  1.00th=[    2],  5.00th=[    2], 10.00th=[    3], 20.00th=[    4],
     | 30.00th=[    4], 40.00th=[    5], 50.00th=[    6], 60.00th=[    7],
     | 70.00th=[    8], 80.00th=[    9], 90.00th=[   10], 95.00th=[   11],
     | 99.00th=[   17], 99.50th=[   23], 99.90th=[ 5408], 99.95th=[12096],
     | 99.99th=[21120]
    bw (KB  /s): min=21712, max=413256, per=12.53%, avg=176521.94, stdev=33497.26
    lat (usec) : 2=0.19%, 4=17.60%, 10=67.04%, 20=14.38%, 50=0.57%
    lat (usec) : 100=0.03%, 250=0.03%, 500=0.01%, 750=0.01%, 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%, 10=0.04%, 20=0.05%, 50=0.02%
    lat (msec) : 100=0.01%, 250=0.01%, 500=0.01%
  cpu          : usr=2.93%, sys=30.78%, ctx=1039707, majf=0, minf=83
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=21128453/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
  WRITE: io=82533MB, aggrb=1375.6MB/s, minb=1375.6MB/s, maxb=1375.6MB/s, mint=60002msec, maxt=60002msec

Disk stats (read/write):
    dm-0: ios=0/52234, merge=0/0, ticks=0/313528, in_queue=313532, util=5.60%, aggrios=0/54771, aggrmerge=0/29, aggrticks=0/434464, aggrin_queue=434328, aggrutil=5.47%
  sda: ios=0/54771, merge=0/29, ticks=0/434464, in_queue=434328, util=5.47%
Hard drive
FIO random direct write
Performance
20.12 MB/s
IOPS
5151
./fio --time_based --name=benchmark --size=256M --runtime=60 --filename=benchmark --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting
benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: Laying out IO file(s) (1 file(s) / 256MB)

benchmark: (groupid=0, jobs=8): err= 0: pid=16157: Mon Oct  2 04:41:12 2017
  write: io=1207.5MB, bw=20607KB/s, iops=5151, runt= 60002msec
    clat (usec): min=121, max=316647, avg=1550.45, stdev=5053.46
     lat (usec): min=122, max=316647, avg=1550.75, stdev=5053.52
    clat percentiles (usec):
     |  1.00th=[  139],  5.00th=[  143], 10.00th=[  145], 20.00th=[  151],
     | 30.00th=[  159], 40.00th=[  169], 50.00th=[  181], 60.00th=[  195],
     | 70.00th=[  211], 80.00th=[  243], 90.00th=[ 4896], 95.00th=[ 9536],
     | 99.00th=[21632], 99.50th=[27776], 99.90th=[44800], 99.95th=[55552],
     | 99.99th=[136192]
    bw (KB  /s): min=   14, max=11848, per=12.55%, avg=2585.67, stdev=2631.53
    lat (usec) : 250=81.00%, 500=3.36%, 750=0.31%, 1000=0.28%
    lat (msec) : 2=0.96%, 4=2.75%, 10=6.67%, 20=3.41%, 50=1.19%
    lat (msec) : 100=0.06%, 250=0.01%, 500=0.01%
  cpu          : usr=0.23%, sys=1.25%, ctx=621345, majf=0, minf=89
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=309117/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
  WRITE: io=1207.5MB, aggrb=20607KB/s, minb=20607KB/s, maxb=20607KB/s, mint=60002msec, maxt=60002msec

Disk stats (read/write):
    dm-0: ios=0/311422, merge=0/0, ticks=0/54984, in_queue=55004, util=91.63%, aggrios=0/309286, aggrmerge=0/2661, aggrticks=0/54932, aggrin_queue=54880, aggrutil=91.31%
  sda: ios=0/309286, merge=0/2661, ticks=0/54932, in_queue=54880, util=91.31%
Download
Download benchmark results
Download speed
377.71 Mbit/s
Downloaded 104857600 bytes in 0.681 sec
Downloaded 104857600 bytes in 0.677 sec
Downloaded 0 bytes in 1.510 sec
Downloaded 104857600 bytes in 5.032 sec
Downloaded 104857600 bytes in 0.572 sec
Finished! Average download speed is 377.71 Mbit/s
Upload
Speedtest results
Upload speed
220.51 Mbit/s
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from OVH ...
Selecting 15 servers that are not too close:
  1. ToxicPVP (Beauharnois, QC) [31.64 km]: 18.099 ms
  2. Caramania.Ca (Beauharnois, QC) [31.64 km]: 18.457 ms
  3. Internexe (Knowlton, QC) [88.84 km]: 22.277 ms
  4. Sovernet Communications (Burlington, VT) [120.08 km]: 49.175 ms
  5. Green Mountain Access (Richmond, VT) [130.60 km]: 30.71 ms
  6. Slic Network Solutions (Potsdam, NY) [144.32 km]: 49.179 ms
  7. SSI Micro (Kanata, ON) [182.47 km]: 41.488 ms
  8. Dartmouth College (Hanover, NH) [224.70 km]: 43.041 ms
  9. Magic-VPN (Quebec, QC) [233.31 km]: 22.127 ms
  10. VTel (Springfield, VT) [259.95 km]: 34.943 ms
  11. WTC Communications (Kingston, ON) [270.56 km]: 39.176 ms
  12. Northland Communications (Utica, NY) [297.99 km]: 41.489 ms
  13. Oxford Networks (Lewiston, ME) [307.58 km]: 42.074 ms
  14. MassiveMesh Networks (Troy, NY) [308.77 km]: 38.649 ms
  15. INOC, LLC (Albany, NY) [317.41 km]: 25.146 ms
Testing upload speeds
  1. ToxicPVP (Beauharnois, QC):                  ......................... 295.91 Mbit/s
  2. Caramania.Ca (Beauharnois, QC):              ......................... 315.95 Mbit/s
  3. Internexe (Knowlton, QC):                    ......................... 78.38 Mbit/s
  4. Sovernet Communications (Burlington, VT):    ......................... 155.72 Mbit/s
  5. Green Mountain Access (Richmond, VT):        ......................... 147.16 Mbit/s
  6. Slic Network Solutions (Potsdam, NY):        ......................... 187.72 Mbit/s
  7. SSI Micro (Kanata, ON):                      ......................... 71.04 Mbit/s
  8. Dartmouth College (Hanover, NH):             ......................... 149.19 Mbit/s
  9. Magic-VPN (Quebec, QC):                      ......................... 286.82 Mbit/s
  10. VTel (Springfield, VT):                     ......................... 110.79 Mbit/s
  11. WTC Communications (Kingston, ON):          ......................... 299.60 Mbit/s
  12. Northland Communications (Utica, NY):       ......................... 230.31 Mbit/s
  13. Oxford Networks (Lewiston, ME):             ......................... 174.76 Mbit/s
  14. MassiveMesh Networks (Troy, NY):            ......................... 151.39 Mbit/s
  15. INOC, LLC (Albany, NY):                     ......................... 251.59 Mbit/s
Average upload speed is 193.76 Mbit/s