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Performance report #3334
ScalewayVC1S
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Test results for VC1S at Scaleway


Server specs:


2 × Intel(R) Atom(TM) CPU C2750 @ 2.40GHz
2 GB RAM / 48 GB disk space
Ubuntu 16.04 Xenial
Haarlem, Netherlands

Benchmark results summary:


UnixBench - 1074.8
Disk Read - 221 MB/s
Disk Write - 488 MB/s


More: https://serverscope.io/trials/wy1M
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Cpu chip
Server Specs
CPU
2 × Intel(R) Atom(TM) CPU C2750 @ 2.40GHz
CPU Cores
1 × 2394 MHz
RAM
2 GB
Disk
48 GB
OS
Ubuntu 16.04 Xenial
Location
Haarlem, Netherlands
Benchmark summary
Benchmark summary
UnixBench
1074.8
Disk Read
221 MB/s
Disk Write
488 MB/s
Bandwidth
N/A
Speedtest
N/A
Graph analysis
UnixBench Score
UnixBench (all CPUs)
1074.8
UnixBench (one CPU)
632.4
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 "/etc/nginx/ssl/serverscope-PTYqr1/byte-unixbench/UnixBench"
make distr
make[2]: Entering directory "/etc/nginx/ssl/serverscope-PTYqr1/byte-unixbench/UnixBench"
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
make[2]: Leaving directory "/etc/nginx/ssl/serverscope-PTYqr1/byte-unixbench/UnixBench"
make programs
make[2]: Entering directory "/etc/nginx/ssl/serverscope-PTYqr1/byte-unixbench/UnixBench"
make[2]: Nothing to be done for "programs".
make[2]: Leaving directory "/etc/nginx/ssl/serverscope-PTYqr1/byte-unixbench/UnixBench"
make[1]: Leaving directory "/etc/nginx/ssl/serverscope-PTYqr1/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

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

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

2 x Execl Throughput  1 2 3

2 x File Copy 1024 bufsize 2000 maxblocks  1 2 3

2 x File Copy 256 bufsize 500 maxblocks  1 2 3

2 x File Copy 4096 bufsize 8000 maxblocks  1 2 3

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

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

2 x Process Creation  1 2 3

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

2 x Shell Scripts (1 concurrent)  1 2 3

2 x Shell Scripts (8 concurrent)  1 2 3

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

   System: mystra.baldur-it.eu: GNU/Linux
   OS: GNU/Linux -- 4.4.38-std-1 -- #1 SMP Mon Dec 12 10:45:29 UTC 2016
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel(R) Atom(TM) CPU C2750 @ 2.40GHz (4787.8 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 1: Intel(R) Atom(TM) CPU C2750 @ 2.40GHz (4787.8 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   07:34:37 up  3:19,  1 user,  load average: 7.36, 4.84, 2.46; runlevel 2017-05-13

------------------------------------------------------------------------
Benchmark Run: Sat May 13 2017 07:34:37 - 08:02:31
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       12301900.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2021.9 MWIPS (10.0 s, 7 samples)
Execl Throughput                               1548.6 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        425910.1 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          123945.2 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        999161.6 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1116075.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                  35652.2 lps   (10.0 s, 7 samples)
Process Creation                               3501.7 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3090.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    676.3 lpm   (60.1 s, 2 samples)
System Call Overhead                        1735896.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   12301900.4   1054.1
Double-Precision Whetstone                       55.0       2021.9    367.6
Execl Throughput                                 43.0       1548.6    360.1
File Copy 1024 bufsize 2000 maxblocks          3960.0     425910.1   1075.5
File Copy 256 bufsize 500 maxblocks            1655.0     123945.2    748.9
File Copy 4096 bufsize 8000 maxblocks          5800.0     999161.6   1722.7
Pipe Throughput                               12440.0    1116075.2    897.2
Pipe-based Context Switching                   4000.0      35652.2     89.1
Process Creation                                126.0       3501.7    277.9
Shell Scripts (1 concurrent)                     42.4       3090.9    729.0
Shell Scripts (8 concurrent)                      6.0        676.3   1127.1
System Call Overhead                          15000.0    1735896.7   1157.3
                                                                   ========
System Benchmarks Index Score                                         632.4

------------------------------------------------------------------------
Benchmark Run: Sat May 13 2017 08:02:31 - 08:30:24
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       24642847.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4045.5 MWIPS (10.0 s, 7 samples)
Execl Throughput                               2766.7 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        465562.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          129983.8 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1283440.4 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2230993.4 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 171641.1 lps   (10.0 s, 7 samples)
Process Creation                               7903.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   4985.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    696.1 lpm   (60.1 s, 2 samples)
System Call Overhead                        2650745.9 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   24642847.7   2111.6
Double-Precision Whetstone                       55.0       4045.5    735.5
Execl Throughput                                 43.0       2766.7    643.4
File Copy 1024 bufsize 2000 maxblocks          3960.0     465562.8   1175.7
File Copy 256 bufsize 500 maxblocks            1655.0     129983.8    785.4
File Copy 4096 bufsize 8000 maxblocks          5800.0    1283440.4   2212.8
Pipe Throughput                               12440.0    2230993.4   1793.4
Pipe-based Context Switching                   4000.0     171641.1    429.1
Process Creation                                126.0       7903.2    627.2
Shell Scripts (1 concurrent)                     42.4       4985.0   1175.7
Shell Scripts (8 concurrent)                      6.0        696.1   1160.2
System Call Overhead                          15000.0    2650745.9   1767.2
                                                                   ========
System Benchmarks Index Score                                        1074.8

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, 15.4573 s, 139 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, 12.5286 s, 171 MB/s


Hard drive
FIO random read
Performance
221.18 MB/s
IOPS
56620
./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=19790: Sat May 13 07:31:28 2017
  read : io=13271MB, bw=226484KB/s, iops=56620, runt= 60001msec
    clat (usec): min=2, max=16900, avg=133.53, stdev=207.30
     lat (usec): min=2, max=16901, avg=134.33, stdev=207.74
    clat percentiles (usec):
     |  1.00th=[    3],  5.00th=[    3], 10.00th=[    3], 20.00th=[    4],
     | 30.00th=[    4], 40.00th=[    8], 50.00th=[  133], 60.00th=[  165],
     | 70.00th=[  197], 80.00th=[  231], 90.00th=[  302], 95.00th=[  370],
     | 99.00th=[  548], 99.50th=[  644], 99.90th=[ 1176], 99.95th=[ 4384],
     | 99.99th=[ 7328]
    bw (KB  /s): min=14520, max=61496, per=12.48%, avg=28270.78, stdev=9830.01
    lat (usec) : 4=18.70%, 10=21.47%, 20=2.66%, 50=1.51%, 100=0.60%
    lat (usec) : 250=39.00%, 500=14.50%, 750=1.29%, 1000=0.14%
    lat (msec) : 2=0.05%, 4=0.02%, 10=0.05%, 20=0.01%
  cpu          : usr=6.41%, sys=16.95%, ctx=1897733, majf=2, minf=95
  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=3397310/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=13271MB, aggrb=226483KB/s, minb=226483KB/s, maxb=226483KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  vda: ios=1877808/18, merge=0/19, ticks=183460/10, in_queue=182500, util=98.99%
Hard drive
FIO random direct read
Performance
148.41 MB/s
IOPS
37994
./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=19800: Sat May 13 07:32:28 2017
  read : io=8905.2MB, bw=151976KB/s, iops=37994, runt= 60001msec
    clat (usec): min=59, max=22900, avg=199.83, stdev=96.38
     lat (usec): min=60, max=22902, avg=200.95, stdev=96.55
    clat percentiles (usec):
     |  1.00th=[  102],  5.00th=[  120], 10.00th=[  129], 20.00th=[  147],
     | 30.00th=[  163], 40.00th=[  179], 50.00th=[  195], 60.00th=[  205],
     | 70.00th=[  213], 80.00th=[  229], 90.00th=[  274], 95.00th=[  314],
     | 99.00th=[  442], 99.50th=[  506], 99.90th=[  740], 99.95th=[ 1096],
     | 99.99th=[ 4016]
    bw (KB  /s): min=   48, max=22640, per=12.50%, avg=18996.57, stdev=1252.78
    lat (usec) : 100=0.69%, 250=85.07%, 500=13.72%, 750=0.43%, 1000=0.04%
    lat (msec) : 2=0.03%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
  cpu          : usr=5.41%, sys=17.90%, ctx=2297869, majf=0, minf=80
  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=2279685/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=8905.2MB, aggrb=151976KB/s, minb=151976KB/s, maxb=151976KB/s, mint=60001msec, maxt=60001msec

Disk stats (read/write):
  vda: ios=2276432/14, merge=0/7, ticks=220230/0, in_queue=219360, util=99.57%
Hard drive
FIO random write
Performance
488.04 MB/s
IOPS
124937
./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=19820: Sat May 13 07:34:30 2017
  write: io=29443MB, bw=499752KB/s, iops=124937, runt= 60329msec
    clat (usec): min=4, max=920134, avg=54.18, stdev=2672.26
     lat (usec): min=4, max=920136, avg=55.47, stdev=2678.59
    clat percentiles (usec):
     |  1.00th=[    5],  5.00th=[    5], 10.00th=[    6], 20.00th=[    6],
     | 30.00th=[    6], 40.00th=[    6], 50.00th=[    7], 60.00th=[    7],
     | 70.00th=[    7], 80.00th=[    7], 90.00th=[    8], 95.00th=[    9],
     | 99.00th=[   25], 99.50th=[   66], 99.90th=[19840], 99.95th=[30080],
     | 99.99th=[41728]
    bw (KB  /s): min=    4, max=146907, per=13.11%, avg=65524.23, stdev=21239.16
    lat (usec) : 10=96.65%, 20=2.27%, 50=0.46%, 100=0.22%, 250=0.15%
    lat (usec) : 500=0.03%, 750=0.01%, 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%, 10=0.03%, 20=0.05%, 50=0.09%
    lat (msec) : 100=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  cpu          : usr=7.22%, sys=11.87%, ctx=37031, majf=0, minf=92
  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=7537383/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=29443MB, aggrb=499751KB/s, minb=499751KB/s, maxb=499751KB/s, mint=60329msec, maxt=60329msec

Disk stats (read/write):
  vda: ios=0/297426, merge=0/859, ticks=0/2926170, in_queue=3031090, util=55.88%
Hard drive
FIO random direct write
Performance
19.18 MB/s
IOPS
4910
./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=19810: Sat May 13 07:33:29 2017
  write: io=1155.9MB, bw=19641KB/s, iops=4910, runt= 60262msec
    clat (usec): min=107, max=581560, avg=1621.07, stdev=7309.14
     lat (usec): min=108, max=581561, avg=1621.93, stdev=7309.17
    clat percentiles (usec):
     |  1.00th=[  116],  5.00th=[  131], 10.00th=[  145], 20.00th=[  163],
     | 30.00th=[  187], 40.00th=[ 1288], 50.00th=[ 1576], 60.00th=[ 1720],
     | 70.00th=[ 1864], 80.00th=[ 2096], 90.00th=[ 2576], 95.00th=[ 3536],
     | 99.00th=[ 8384], 99.50th=[10304], 99.90th=[33536], 99.95th=[54016],
     | 99.99th=[403456]
    bw (KB  /s): min=   63, max= 5812, per=12.70%, avg=2493.47, stdev=1159.67
    lat (usec) : 250=37.37%, 500=1.66%, 750=0.22%, 1000=0.07%
    lat (msec) : 2=37.41%, 4=19.19%, 10=3.53%, 20=0.32%, 50=0.18%
    lat (msec) : 100=0.02%, 250=0.01%, 500=0.02%, 750=0.01%
  cpu          : usr=0.70%, sys=2.94%, ctx=672646, majf=0, minf=82
  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=295895/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=1155.9MB, aggrb=19640KB/s, minb=19640KB/s, maxb=19640KB/s, mint=60262msec, maxt=60262msec

Disk stats (read/write):
  vda: ios=22/295962, merge=0/2164, ticks=0/49280, in_queue=49720, util=75.29%