Stopwatch
Performance report #3614
LinodeLinode 8GB
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Test results for Linode 8GB at Linode


Server specs:


4 × Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz
8 GB RAM / 99 GB disk space
Ubuntu 17.04 Zesty
London, United Kingdom

Benchmark results summary:


UnixBench - 3415.1
Disk Read - 5321 MB/s
Disk Write - 1297 MB/s
Bandwidth - 2711.42 MB/s

More: https://serverscope.io/trials/D0Qa
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Cpu chip
Server Specs
CPU
4 × Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz
CPU Cores
1 × 2800 MHz
RAM
8 GB
Disk
99 GB
OS
Ubuntu 17.04 Zesty
Location
London, United Kingdom
Benchmark summary
Benchmark summary
UnixBench
3415.1
Disk Read
5321 MB/s
Disk Write
1297 MB/s
Bandwidth
2711.42 Mbit/s
Speedtest
507.43 Mbit/s
Graph analysis
UnixBench Score
UnixBench (all CPUs)
3415.1
UnixBench (one CPU)
1574.1
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-F8zUWt/byte-unixbench/UnixBench"
make distr
make[2]: Entering directory "/root/serverscope-F8zUWt/byte-unixbench/UnixBench"
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
make[2]: Leaving directory "/root/serverscope-F8zUWt/byte-unixbench/UnixBench"
make programs
make[2]: Entering directory "/root/serverscope-F8zUWt/byte-unixbench/UnixBench"
make[2]: Nothing to be done for "programs".
make[2]: Leaving directory "/root/serverscope-F8zUWt/byte-unixbench/UnixBench"
make[1]: Leaving directory "/root/serverscope-F8zUWt/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: localhost: GNU/Linux
   OS: GNU/Linux -- 4.9.15-x86_64-linode81 -- #1 SMP Fri Mar 17 09:47:36 EDT 2017
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz (5602.3 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 1: Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz (5602.3 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 2: Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz (5602.3 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 3: Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz (5602.3 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   11:43:53 up  1:28,  1 user,  load average: 7.92, 4.54, 2.17; runlevel 2017-07-03

------------------------------------------------------------------------
Benchmark Run: Mon Jul 03 2017 11:43:53 - 12:11:58
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       30018565.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4083.9 MWIPS (9.9 s, 7 samples)
Execl Throughput                               2933.6 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        992471.7 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          277553.1 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1777986.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2213153.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 248135.9 lps   (10.0 s, 7 samples)
Process Creation                               6973.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   8840.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   3054.1 lpm   (60.0 s, 2 samples)
System Call Overhead                        3188589.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   30018565.7   2572.3
Double-Precision Whetstone                       55.0       4083.9    742.5
Execl Throughput                                 43.0       2933.6    682.2
File Copy 1024 bufsize 2000 maxblocks          3960.0     992471.7   2506.2
File Copy 256 bufsize 500 maxblocks            1655.0     277553.1   1677.1
File Copy 4096 bufsize 8000 maxblocks          5800.0    1777986.1   3065.5
Pipe Throughput                               12440.0    2213153.7   1779.1
Pipe-based Context Switching                   4000.0     248135.9    620.3
Process Creation                                126.0       6973.4    553.4
Shell Scripts (1 concurrent)                     42.4       8840.1   2084.9
Shell Scripts (8 concurrent)                      6.0       3054.1   5090.2
System Call Overhead                          15000.0    3188589.5   2125.7
                                                                   ========
System Benchmarks Index Score                                        1574.1

------------------------------------------------------------------------
Benchmark Run: Mon Jul 03 2017 12:11:58 - 12:40:04
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables      117714652.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    16343.2 MWIPS (9.9 s, 7 samples)
Execl Throughput                              13544.7 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        628864.5 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          189878.1 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2026002.9 KBps  (30.0 s, 2 samples)
Pipe Throughput                             8282473.5 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 739530.7 lps   (10.0 s, 7 samples)
Process Creation                              36289.3 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  29070.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   3650.2 lpm   (60.0 s, 2 samples)
System Call Overhead                        4249368.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0  117714652.9  10086.9
Double-Precision Whetstone                       55.0      16343.2   2971.5
Execl Throughput                                 43.0      13544.7   3149.9
File Copy 1024 bufsize 2000 maxblocks          3960.0     628864.5   1588.0
File Copy 256 bufsize 500 maxblocks            1655.0     189878.1   1147.3
File Copy 4096 bufsize 8000 maxblocks          5800.0    2026002.9   3493.1
Pipe Throughput                               12440.0    8282473.5   6657.9
Pipe-based Context Switching                   4000.0     739530.7   1848.8
Process Creation                                126.0      36289.3   2880.1
Shell Scripts (1 concurrent)                     42.4      29070.2   6856.2
Shell Scripts (8 concurrent)                      6.0       3650.2   6083.6
System Call Overhead                          15000.0    4249368.7   2832.9
                                                                   ========
System Benchmarks Index Score                                        3415.1

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, 4.09926 s, 524 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, 3.80825 s, 564 MB/s


Hard drive
FIO random read
Performance
5321.6 MB/s
IOPS
1395097
./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=11146: Mon Jul  3 11:40:50 2017
  read : io=319300MB, bw=5321.6MB/s, iops=1362.4K, runt= 60001msec
    clat (usec): min=0, max=46788, avg= 3.93, stdev=118.46
     lat (usec): min=0, max=46788, avg= 4.21, stdev=124.48
    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=[    2], 80.00th=[    2], 90.00th=[    2], 95.00th=[    2],
     | 99.00th=[    5], 99.50th=[  151], 99.90th=[  243], 99.95th=[  306],
     | 99.99th=[10048]
    bw (KB  /s): min=11888, max=1597144, per=12.48%, avg=679954.20, stdev=360370.29
    lat (usec) : 2=69.46%, 4=29.49%, 10=0.24%, 20=0.10%, 50=0.05%
    lat (usec) : 100=0.02%, 250=0.55%, 500=0.07%, 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=12.79%, sys=30.28%, ctx=556611, 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=81740674/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=319300MB, aggrb=5321.6MB/s, minb=5321.6MB/s, maxb=5321.6MB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sda: ios=524288/65, merge=0/239, ticks=78353/6056, in_queue=84117, util=23.67%
Hard drive
FIO random direct read
Performance
152.75 MB/s
IOPS
39105
./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=11156: Mon Jul  3 11:41:50 2017
  read : io=9165.5MB, bw=156421KB/s, iops=39105, runt= 60001msec
    clat (usec): min=44, max=105197, avg=199.66, stdev=693.88
     lat (usec): min=44, max=105197, avg=200.04, stdev=693.89
    clat percentiles (usec):
     |  1.00th=[   95],  5.00th=[  116], 10.00th=[  129], 20.00th=[  145],
     | 30.00th=[  157], 40.00th=[  169], 50.00th=[  179], 60.00th=[  191],
     | 70.00th=[  203], 80.00th=[  219], 90.00th=[  249], 95.00th=[  290],
     | 99.00th=[  490], 99.50th=[  700], 99.90th=[ 1976], 99.95th=[ 3088],
     | 99.99th=[10560]
    bw (KB  /s): min= 9040, max=25024, per=12.51%, avg=19568.92, stdev=3136.15
    lat (usec) : 50=0.01%, 100=1.47%, 250=88.54%, 500=9.04%, 750=0.50%
    lat (usec) : 1000=0.16%
    lat (msec) : 2=0.19%, 4=0.07%, 10=0.02%, 20=0.01%, 50=0.01%
    lat (msec) : 100=0.01%, 250=0.01%
  cpu          : usr=2.82%, sys=13.93%, ctx=2334716, majf=0, minf=74
  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=2346348/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=9165.5MB, aggrb=156420KB/s, minb=156420KB/s, maxb=156420KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  sda: ios=2343334/0, merge=0/0, ticks=359687/0, in_queue=357810, util=96.95%
Hard drive
FIO random write
Performance
1297.6 MB/s
IOPS
332167
./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=11176: Mon Jul  3 11:43:51 2017
  write: io=77854MB, bw=1297.6MB/s, iops=332167, runt= 60002msec
    clat (usec): min=1, max=57170, avg=22.32, stdev=477.35
     lat (usec): min=1, max=57171, avg=22.56, stdev=478.18
    clat percentiles (usec):
     |  1.00th=[    2],  5.00th=[    3], 10.00th=[    3], 20.00th=[    4],
     | 30.00th=[    6], 40.00th=[    7], 50.00th=[    8], 60.00th=[    8],
     | 70.00th=[    9], 80.00th=[   10], 90.00th=[   11], 95.00th=[   13],
     | 99.00th=[   25], 99.50th=[   31], 99.90th=[ 5920], 99.95th=[11584],
     | 99.99th=[21376]
    bw (KB  /s): min=75096, max=265936, per=12.50%, avg=166145.88, stdev=22886.95
    lat (usec) : 2=0.02%, 4=11.05%, 10=60.12%, 20=27.13%, 50=1.42%
    lat (usec) : 100=0.08%, 250=0.04%, 500=0.01%, 750=0.01%, 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%, 10=0.03%, 20=0.06%, 50=0.02%
    lat (msec) : 100=0.01%
  cpu          : usr=5.04%, sys=33.95%, ctx=547399, majf=0, minf=75
  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=19930690/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=77854MB, aggrb=1297.6MB/s, minb=1297.6MB/s, maxb=1297.6MB/s, mint=60002msec, maxt=60002msec

Disk stats (read/write):
  sda: ios=0/59482, merge=0/14, ticks=0/64640, in_queue=64600, util=2.85%
Hard drive
FIO random direct write
Performance
33.27 MB/s
IOPS
8518
./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=11166: Mon Jul  3 11:42:50 2017
  write: io=1996.6MB, bw=34072KB/s, iops=8518, runt= 60003msec
    clat (usec): min=63, max=131503, avg=934.63, stdev=5159.47
     lat (usec): min=63, max=131504, avg=935.13, stdev=5159.51
    clat percentiles (usec):
     |  1.00th=[   76],  5.00th=[   81], 10.00th=[   85], 20.00th=[   91],
     | 30.00th=[   96], 40.00th=[  102], 50.00th=[  107], 60.00th=[  112],
     | 70.00th=[  119], 80.00th=[  129], 90.00th=[  149], 95.00th=[  338],
     | 99.00th=[26496], 99.50th=[40192], 99.90th=[66048], 99.95th=[78336],
     | 99.99th=[99840]
    bw (KB  /s): min=   47, max=10245, per=12.56%, avg=4278.33, stdev=2119.21
    lat (usec) : 100=35.83%, 250=58.81%, 500=0.56%, 750=0.10%, 1000=0.04%
    lat (msec) : 2=0.09%, 4=0.30%, 10=1.65%, 20=1.27%, 50=1.13%
    lat (msec) : 100=0.22%, 250=0.01%
  cpu          : usr=0.65%, sys=2.92%, ctx=1033849, majf=0, minf=73
  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=511110/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=1996.6MB, aggrb=34072KB/s, minb=34072KB/s, maxb=34072KB/s, mint=60003msec, maxt=60003msec

Disk stats (read/write):
  sda: ios=0/510838, merge=0/1751, ticks=0/43730, in_queue=43547, util=68.44%
Download
Download benchmark results
Download speed
2711.42 Mbit/s
Downloaded 104857600 bytes in 0.320060 sec
Downloaded 104857600 bytes in 0.298101 sec
Downloaded 104857600 bytes in 0.286320 sec
Downloaded 104857600 bytes in 0.292135 sec
Downloaded 104857600 bytes in 0.278625 sec
Finished! Average download speed is 2711.42 Mbit/s
Upload
Speedtest results
Upload speed
507.43 Mbit/s
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Linode ...
Selecting 15 servers that are not too close:
  1. Proxar IT Consulting (Sevenoaks) [32.34 km]: 3.931 ms
  2. O2 UK (Slough) [34.22 km]: 8.501 ms
  3. Interoute VDC (Slough) [34.22 km]: 12.901 ms
  4. Ai Networks Ltd (Welwyn Garden City) [38.56 km]: 6.37 ms
  5. International School of London (Woking) [38.67 km]: 76.253 ms
  6. Virgin Media (Basildon) [41.08 km]: 12.817 ms
  7. XILO (Maidenhead) [43.29 km]: 235.278 ms
  8. Iomart (Maidenhead) [43.29 km]: 10.144 ms
  9. Virgin Media (Luton) [46.78 km]: 13.444 ms
  10. Custodian DataCentre (Maidstone) [50.73 km]: 313.162 ms
  11. VooServers Ltd (Maidstone) [50.73 km]: 5.912 ms
  12. CSD Ltd (Braintree) [60.51 km]: 136.6 ms
  13. Trunk Networks (Uckfield) [61.81 km]: 6.618 ms
  14. Uno (Milton Keynes) [74.73 km]: 9.857 ms
  15. Vodafone UK (Newbury) [85.93 km]: 18.27 ms
Testing upload speeds
  1. Proxar IT Consulting (Sevenoaks):            ......................... 594.58 Mbit/s
  2. O2 UK (Slough):                              ......................... 386.67 Mbit/s
  3. Interoute VDC (Slough):                      ......................... 105.23 Mbit/s
  4. Ai Networks Ltd (Welwyn Garden City):        ......................... 604.56 Mbit/s
  5. International School of London (Woking):     ......................... 122.89 Mbit/s
  6. Virgin Media (Basildon):                     ......................... 572.09 Mbit/s
  7. XILO (Maidenhead):                           ......................... 472.99 Mbit/s
  8. Iomart (Maidenhead):                         ......................... 526.86 Mbit/s
  9. Virgin Media (Luton):                        ......................... 321.65 Mbit/s
  10. Custodian DataCentre (Maidstone):           ......................... 631.13 Mbit/s
  11. VooServers Ltd (Maidstone):                 ......................... 153.12 Mbit/s
  12. CSD Ltd (Braintree):                        ......................... 261.28 Mbit/s
  13. Trunk Networks (Uckfield):                  ......................... 877.46 Mbit/s
  14. Uno (Milton Keynes):                        ......................... 314.35 Mbit/s
  15. Vodafone UK (Newbury):                      ......................... 525.59 Mbit/s
Average upload speed is 431.36 Mbit/s