Đánh giá (Review) VPS giá rẻ của VULTR

Để giúp các bạn có những quyết định tốt hơn trong lựa chọn dịch vụ , trong bài này xTraffic.pep.vn sẽ (review) toàn diện về hiệu năng của gói dịch vụ VPS giá rẻ tại VULTR là 7USD/tháng với các thông số : 1 CPU + 1024MB RAM + 20GB SSD Hard Disk + 2000TB Bandwidth

Đánh giá (Review) VPS giá rẻ của VULTR - vps VPS giá rẻ Vultr - Hosting

Lưu ý : Bài viết này được thực hiện theo Cách đánh giá, kiểm tra chất lượng VPS và Server Linux, các bạn có thể tự thực hiện trên VPS của mình theo hướng dẫn này.

Thông tin VPS giá rẻ của VULTR được đánh giá trong bài này

  • CPU : 1 CPU
  • RAM : 1024 MB
  • Storage (Disk space) : 20 GB SSD Disk
  • Bandwidth : 2000 GB
  • Giá : 7 USD/tháng (147.000 VNĐ/tháng) ;  0.01 USD/giờ (210 VNĐ/giờ – 5.040 VNĐ/ngày)
  • Phương thức thanh toán : trả theo số giờ sử dụng
  • Link thông tin chi tiếthttps://www.vultr.com/pricing/

Kiểm tra thông số phần cứng VPS của VULTR

Kiểm tra thông số CPU của VPS bằng lệnh “lscpu” thì thu được kết quả sau :

[[email protected] ~]# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                1
On-line CPU(s) list:   0
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 60
Stepping:              1
CPU MHz:               3392.144
BogoMIPS:              6784.28
Hypervisor vendor:     KVM
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              4096K
NUMA node0 CPU(s):     0
[[email protected] ~]#

Kiểm tra thông số của nhiều đơn vị phần cứng khác nhau như : CPU, RAM, Hard Disk, usb controllers, network adapters,… bằng lệnh “lshw -short” thì được kết quả sau :

[[email protected] ~]# lshw -short
H/W path          Device      Class      Description
====================================================
                              system     Standard PC (i440FX + PIIX, 1996)
/0                            bus        Motherboard
/0/0                          memory     96KiB BIOS
/0/401                        processor  Vultr Virtual CPU 2
/0/1000                       memory     1GiB System Memory
/0/1000/0                     memory     1GiB DIMM RAM
/0/100                        bridge     440FX - 82441FX PMC [Natoma]
/0/100/1                      bridge     82371SB PIIX3 ISA [Natoma/Triton II]
/0/100/1.1        scsi1       storage    82371SB PIIX3 IDE [Natoma/Triton II]
/0/100/1.1/0.0.0  /dev/cdrom  disk       DVD reader
/0/100/1.2                    bus        82371SB PIIX3 USB [Natoma/Triton II]
/0/100/1.2/1      usb1        bus        UHCI Host Controller
/0/100/1.2/1/1                input      QEMU USB Tablet
/0/100/1.3                    bridge     82371AB/EB/MB PIIX4 ACPI
/0/100/2                      display    GD 5446
/0/100/3                      network    Virtio network device
/0/100/4                      storage    Virtio block device
/0/100/5                      generic    Virtio memory balloon
/0/100/6                      generic    Virtio RNG
/1                eth0        network    Ethernet interface
[[email protected] ~]#

Kiểm tra phân vùng ổ đĩa bằng lệnh “lsblk” thì được kết quả sau :

[[email protected] ~]# lsblk
NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sr0     11:0    1 1024M  0 rom
vda    253:0    0   20G  0 disk
└─vda1 253:1    0   20G  0 part /
[[email protected] ~]#

Như ta thấy là VPS giá rẻ của VULTR đang sử dụng CPU có thông số là 3392.144 MHz , 1GiB RAM và 20GB ổ đĩa cứng, đúng như quảng cáo của VULTR.

Kiểm tra hiệu năng của VPS VULTR

Kiểm tra tốc độ truy xuất của ổ cứng SSD bằng lệnh “dd”

[[email protected] ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 4.77576 s, 225 MB/s
[[email protected] ~]#
  • Lần 1 : 225MB/s
  • Lần 2 : 400MB/s
  • Lần 3 : 431MB/s
  • Lần 4 : 425MB/s
  • Lần 5 : 387MB/s
  • Lần 6 : 435MB/s
  • Lần 7 : 425MB/s
  • Lần 8 : 430MB/s
  • Lần 9 : 444MB/s
  • Lần 1 : 440MB/s

Như vậy, giá trị trung bình của 10 lần test là 404.2 MB/s

Kiểm tra hiệu năng của VPS bằng sysbench

Kiểm tra hiệu năng CPU VPS bằng sysbench

Kết quả thực hiện trên VPS giá rẻ của VULTR :

[[email protected] ~]# sysbench --test=cpu --cpu-max-prime=20000 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 1

Doing CPU performance benchmark

Threads started!
Done.

Maximum prime number checked in CPU test: 20000


Test execution summary:
    total time:                          23.3390s
    total number of events:              10000
    total time taken by event execution: 23.3367
    per-request statistics:
         min:                                  2.16ms
         avg:                                  2.33ms
         max:                                  3.21ms
         approx.  95 percentile:               2.51ms

Threads fairness:
    events (avg/stddev):           10000.0000/0.00
    execution time (avg/stddev):   23.3367/0.00

[[email protected] ~]#

Như ta thấy là thời gian xử lý trung bình của 95% sự kiện trên tổng số 10000 sự kiện là 2.51ms

Kiểm tra hiệu năng truy xuất dữ liệu ổ cứng của VPS VULTR bằng sysbench

kết quả kiểm tra trên VPS của VULTR như sau :

[[email protected] ~]# sysbench --test=fileio --file-total-size=5G prepare
sysbench 0.4.12:  multi-threaded system evaluation benchmark

128 files, 40960Kb each, 5120Mb total
Creating files for the test...
[[email protected] ~]# sysbench --test=fileio --file-total-size=5G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 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: 0
128 files, 40Mb each
5Gb total file size
Block size 16Kb
Number of random requests for random IO: 0
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!
Time limit exceeded, exiting...
Done.

Operations performed:  451740 Read, 301160 Write, 963701 Other = 1716601 Total
Read 6.893Gb  Written 4.5953Gb  Total transferred 11.488Gb  (39.214Mb/sec)
 2509.67 Requests/sec executed

Test execution summary:
    total time:                          300.0002s
    total number of events:              752900
    total time taken by event execution: 114.4679
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.15ms
         max:                                 24.59ms
         approx.  95 percentile:               0.46ms

Threads fairness:
    events (avg/stddev):           752900.0000/0.00
    execution time (avg/stddev):   114.4679/0.00

[[email protected] ~]# sysbench --test=fileio --file-total-size=5G cleanup
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Removing test files...
[[email protected] ~]#

Kiểm tra hiệu năng MySQL trên VPS VULTR bằng sysbench

[[email protected] ~]# sysbench --test=oltp --oltp-table-size=1000000 --db-driver=mysql                                                                                         --mysql-db=pep_test --mysql-user=root --mysql-password=YOUR_MYSQL_ROOT_PASSWORD prepare
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Creating table 'sbtest'...
Creating 1000000 records in table 'sbtest'...
[[email protected] ~]# sysbench --test=oltp --oltp-table-size=1000000 --db-driver=mysql                                                                                         --mysql-db=pep_test --mysql-user=root --mysql-password=YOUR_MYSQL_ROOT_PASSWORD --max-time=60                                                                                         --oltp-read-only=on --max-requests=0 --num-threads=8 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 8

Doing OLTP test.
Running mixed OLTP test
Doing read-only test
Using Special distribution (12 iterations,  1 pct of values are returned in 75 p                                                                                        ct cases)
Using "BEGIN" for starting transactions
Using auto_inc on the id column
Threads started!
Time limit exceeded, exiting...
(last message repeated 7 times)
Done.

OLTP test statistics:
    queries performed:
        read:                            279132
        write:                           0
        other:                           39876
        total:                           319008
    transactions:                        19938  (332.24 per sec.)
    deadlocks:                           0      (0.00 per sec.)
    read/write requests:                 279132 (4651.38 per sec.)
    other operations:                    39876  (664.48 per sec.)

Test execution summary:
    total time:                          60.0106s
    total number of events:              19938
    total time taken by event execution: 479.8989
    per-request statistics:
         min:                                  2.61ms
         avg:                                 24.07ms
         max:                                459.72ms
         approx.  95 percentile:              34.13ms

Threads fairness:
    events (avg/stddev):           2492.2500/7.31
    execution time (avg/stddev):   59.9874/0.01

[[email protected] ~]# sysbench --test=oltp --db-driver=mysql --mysql-db=pep_test --mys                                                                                        ql-user=root --mysql-password=YOUR_MYSQL_ROOT_PASSWORD cleanup
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Dropping table 'sbtest'...
Done.
[[email protected] ~]#

Kiểm tra hiệu năng VPS bằng “PHP BENCHMARK SCRIPT BY XTRAFFIC.PEP.VN”

Đây là mã PHP do xTraffic.pep.vn phát triển nhằm giúp các bạn thực thi của PHP trên host, VPS hoặc server của mình. Điều đặc biệt là đoạn mã này không chỉ chạy được trên VPS hay server, mà còn chạy được trên cả Share Host. (Bạn có thể download tại đây và test trên host của mình)

Sau đây là kết quả trên VPS giá rẻ của VULTR :

--------------------------------------------------------------------------------------------------------------
|                                  PHP BENCHMARK SCRIPT BY XTRAFFIC.PEP.VN                                   |
|                                                VERSION 2.0                                                 |
|                   DOWNLOAD HERE : https://bit.ly/php-benchmark-script-by-xtraffic-pep-vn                   |
|                        Copyright 2014 http://xtraffic.pep.vn , All rights reserved!                        |
--------------------------------------------------------------------------------------------------------------
Start       : 2014-10-18 17:10:18
Server      : _@_
PHP version : 5.3.3
Platform    : Linux
Test level  : 1
--------------------------------------------------------------------------------------------------------------
                                                 CPU TESTED                                                 

+ xtraffic_testcpu_math                                                                 : 0.15762210 seconds.
+ xtraffic_testcpu_stringmanipulation                                                   : 0.32793212 seconds.
+ xtraffic_testcpu_hashstring                                                           : 0.10412502 seconds.
+ xtraffic_testcpu_gzipstring                                                           : 0.22213984 seconds.
+ xtraffic_testcpu_loops                                                                : 0.10161901 seconds.
+ xtraffic_testcpu_ifelse                                                               : 0.10002208 seconds.
+ xtraffic_testcpu_synthetic                                                            : 0.09768510 seconds.
----------------------------
* Total time                                                                            : 1.11114527 seconds.

--------------------------------------------------------------------------------------------------------------
                                    DATA STORAGE DEVICE (HDD/SSD) TESTED                                    

+ TEST WRITE     :                                                                   
      File Size  : 20 MB                                                             
      Time       : 0.0070627689361572 seconds                                        
      Speed      : 2.77 GB/s                                                         
+ TEST READ     :                                                                    
      File Size  : 20 MB                                                             
      Time       : 0.0032891273498535 seconds                                        
      Speed      : 5.95 GB/s                                                         
----------------------------
* Total time                                                                            : 0.01035190 seconds.

--------------------------------------------------------------------------------------------------------------
                                                MYSQL TESTED                                                

+ DB CONNECTION TIME                    : 0.00079513 seconds                         
+ TEST INSERT TO DB    "10,000 RECORDS" : 1.23905802 seconds                         
+ TEST SELECT (1) WITH "10,000 RECORDS" : 0.58075333 seconds                         
+ TEST SELECT (2) WITH "10,000 RECORDS" : 0.54894018 seconds                         
+ TEST SELECT (3) WITH "10,000 RECORDS" : 0.56279182 seconds                         
+ TEST UPDATE     WITH "10,000 RECORDS" : 0.07363915 seconds                         
+ TEST DELETE     WITH "10,000 RECORDS" : 0.19721198 seconds                         
----------------------------
* Total time                                                                            : 3.20318961 seconds.

--------------------------------------------------------------------------------------------------------------
                                               NETWORK TESTED                                               

+ Test download speed from "cachefly.cachefly.net"                                   
      [Location : CDN]                                                               
      Size : 100 MB                                                                  
      Download Time : 1.136233 sec                                                   
      Speed : 88.01 MB/s                                                             

+ Test download speed from "mirror-fpt-telecom.fpt.net"                              
      [Location : Vietnam]                                                           
      Size : 1.2 MB                                                                  
      Download Time : 4.725465 sec                                                   
      Speed : 260 KB/s                                                               

+ Test download speed from "centos-hcm.viettelidc.com.vn"                            
      [Location : Ho Chi Minh, Vietnam]                                              
      Size : 1.32 MB                                                                 
      Download Time : 4.264824 sec                                                   
      Speed : 317 KB/s                                                               

+ Test download speed from "centos-hn.viettelidc.com.vn"                             
      [Location : Ha Noi, Vietnam]                                                   
      Size : 3.06 MB                                                                 
      Download Time : 4.231482 sec                                                   
      Speed : 742 KB/s                                                               

+ Test download speed from "mirror.nhanhoa.com"                                      
      [Location : Vietnam]                                                           
      Size : 293 KB                                                                  
      Download Time : 4.188177 sec                                                   
      Speed : 70 KB/s                                                                

+ Test download speed from "dl.google.com"                                           
      [Location : Google]                                                            
      Size : 16.58 MB                                                                
      Download Time : 0.205402 sec                                                   
      Speed : 80.72 MB/s                                                             

+ Test download speed from "download.microsoft.com"                                  
      [Location : Microsoft]                                                         
      Size : 66.84 MB                                                                
      Download Time : 4.662041 sec                                                   
      Speed : 14.34 MB/s                                                             

+ Test download speed from "speedtest.tokyo.linode.com"                              
      [Location : Tokyo, Japan]                                                      
      Size : 22.08 MB                                                                
      Download Time : 4.888102 sec                                                   
      Speed : 4.52 MB/s                                                              

+ Test download speed from "speedtest-sgp1.digitalocean.com"                         
      [Location : Singapore]                                                         
      Size : 7.05 MB                                                                 
      Download Time : 4.723583 sec                                                   
      Speed : 1.49 MB/s                                                              

+ Test download speed from "ftp.funet.fi"                                            
      [Location : Finland]                                                           
      Size : 30.27 MB                                                                
      Download Time : 4.555388 sec                                                   
      Speed : 6.65 MB/s                                                              

+ Test download speed from "ftp.belnet.be"                                           
      [Location : Belgium]                                                           
      Size : 17.5 MB                                                                 
      Download Time : 4.901551 sec                                                   
      Speed : 3.57 MB/s                                                              

+ Test download speed from "ga-us-ping.vultr.com"                                    
      [Location : Atlanta, Georgia, USA]                                             
      Size : 100 MB                                                                  
      Download Time : 1.829981 sec                                                   
      Speed : 54.65 MB/s                                                             

+ Test download speed from "sjo-ca-us-ping.vultr.com"                                
      [Location : Silicon Valley, California, USA]                                   
      Size : 76.03 MB                                                                
      Download Time : 4.860196 sec                                                   
      Speed : 15.64 MB/s                                                             

+ Test download speed from "nj-us-ping.vultr.com"                                    
      [Location : New York / New Jersey, USA]                                        
      Size : 100 MB                                                                  
      Download Time : 1.010661 sec                                                   
      Speed : 98.95 MB/s                                                             


--------------------------------------------------------------------------------------------------------------

Kiểm tra hiệu năng VPS VULTR bằng UnixBench

[[email protected] UnixBench]# ./Run
make all
make[1]: Entering directory `/root/UnixBench'
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
./tmp  exists
./results  exists
make[1]: Leaving directory `/root/UnixBench'
sh: 3dinfo: command 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

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

   System: vultr.guest: GNU/Linux
   OS: GNU/Linux -- 2.6.32-431.20.3.el6.x86_64 -- #1 SMP Thu Jun 19 21:14:45 UTC 2014
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Vultr Virtual CPU 2 (6784.3 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   17:17:29 up 3 days, 10:28,  1 user,  load average: 0.04, 0.13, 0.26; runlevel 3

------------------------------------------------------------------------
Benchmark Run: Sun Jun 29 2014 17:17:29 - 17:45:31
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       40779921.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4370.0 MWIPS (9.9 s, 7 samples)
Execl Throughput                               6450.2 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks       1468928.2 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          410355.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       3384448.6 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2808174.5 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 504016.6 lps   (10.0 s, 7 samples)
Process Creation                              17206.0 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   7192.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    959.8 lpm   (60.0 s, 2 samples)
System Call Overhead                        5247668.2 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   40779921.9   3494.4
Double-Precision Whetstone                       55.0       4370.0    794.5
Execl Throughput                                 43.0       6450.2   1500.0
File Copy 1024 bufsize 2000 maxblocks          3960.0    1468928.2   3709.4
File Copy 256 bufsize 500 maxblocks            1655.0     410355.3   2479.5
File Copy 4096 bufsize 8000 maxblocks          5800.0    3384448.6   5835.3
Pipe Throughput                               12440.0    2808174.5   2257.4
Pipe-based Context Switching                   4000.0     504016.6   1260.0
Process Creation                                126.0      17206.0   1365.6
Shell Scripts (1 concurrent)                     42.4       7192.9   1696.4
Shell Scripts (8 concurrent)                      6.0        959.8   1599.7
System Call Overhead                          15000.0    5247668.2   3498.4
                                                                   ========
System Benchmarks Index Score                                        2120.0

[[email protected] UnixBench]#

Kiểm tra hiệu năng của VPS VULTR bằng vpsbench

[[email protected] ~]# bash <(wget --no-check-certificate -O - https://gist.githubusercontent.com/pep-vn/41a76e38217c0a7ab3ff/raw/)
--2014-06-29 17:48:20--  https://gist.githubusercontent.com/pep-vn/41a76e38217c0a7ab3ff/raw/
Resolving gist.githubusercontent.com... 192.30.252.159
Connecting to gist.githubusercontent.com|192.30.252.159|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4898 (4.8K) [text/plain] 
Saving to: “STDOUT” 100%[======================================>] 4,898       --.-K/s   in 0s

2014-06-29 17:48:20 (249 MB/s) - written to stdout [4898/4898]

Benching I/O ... OK
Benching CPU. Bzipping 25MB file ... OK
Benching inbound network. Downloading 100MB file ... OK
Share at https://github.com/mgutz/vpsbench/wiki/VPS-Hosts


_06/29/2014 - VMPLAN - DATACENTER - OS - AUTHOR_
```
CPU model:  Vultr Virtual CPU 2
Number of cores: 1
CPU frequency:  3392.144 MHz
Total amount of RAM: 996 MB
Total amount of swap: 0 MB
System uptime:   3 days, 10:58,
I/O speed:  463 MB/s
Bzip 25MB: 3.22s
Download 100MB file: 99.0MB/s
```


[[email protected] ~]#

Kiểm tra hiệu năng của VPS VULTR bằng freevps bench

[[email protected] ~]# wget https://gist.githubusercontent.com/pep-vn/1a12659c9b0a74dcf4f0/raw/ -O - -o /dev/null|bash
CPU model :  Vultr Virtual CPU 2
Number of cores : 1
CPU frequency :  3392.144 MHz
Total amount of ram : 996 MB
Total amount of swap : 0 MB
System uptime :   3 days, 11:00,
Download speed from CacheFly: 99.0MB/s
Download speed from Coloat, Atlanta GA: 7.50MB/s
Download speed from Softlayer, Dallas, TX: 7.36MB/s
Download speed from Linode, Tokyo, JP: 56.6MB/s
Download speed from i3d.net, Rotterdam, NL: 2.14MB/s
Download speed from Leaseweb, Haarlem, NL: 5.55MB/s
Download speed from Softlayer, Singapore: 22.9MB/s
Download speed from Softlayer, Seattle, WA: 16.3MB/s
Download speed from Softlayer, San Jose, CA: 15.6MB/s
Download speed from Softlayer, Washington, DC: 11.4MB/s
I/O speed :  438 MB/s
[[email protected] ~]# wget https://gist.githubusercontent.com/pep-vn/1a12659c9b0a74dcf4f0/raw/ -O - -o /dev/null|bash
CPU model :  Vultr Virtual CPU 2
Number of cores : 1
CPU frequency :  3392.144 MHz
Total amount of ram : 996 MB
Total amount of swap : 0 MB
System uptime :   3 days, 11:02,
Download speed from CacheFly: 98.9MB/s
Download speed from Coloat, Atlanta GA: 7.38MB/s
Download speed from Softlayer, Dallas, TX: 12.8MB/s
Download speed from Linode, Tokyo, JP: 56.6MB/s
Download speed from i3d.net, Rotterdam, NL: 3.12MB/s
Download speed from Leaseweb, Haarlem, NL: 5.17MB/s
Download speed from Softlayer, Singapore: 20.3MB/s
Download speed from Softlayer, Seattle, WA: 15.2MB/s
Download speed from Softlayer, San Jose, CA: 16.9MB/s
Download speed from Softlayer, Washington, DC: 12.3MB/s
I/O speed :  463 MB/s
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Kiểm tra tốc độ download file từ VPS

Hiện tại mình đang sử dụng gói cước Internet giá rẻ nhất của MegaVnn (VNPT) là MegaBasic (150.000 VNĐ/tháng), sử dụng trình duyệt Chrome để download file từ VPS của VULTR đặt tại Japan thì được kết quả là 329KB/s như hình 1 bên dưới ( bạn có thể truy cập vào đây để test thử tốc độ download từ máy của bạn ) :

Đánh giá (Review) VPS giá rẻ của VULTR - vps VPS giá rẻ Vultr - Hosting

Test tốc độ download file từ VULTR tại Japan

Link đăng ký VPS giá rẻ của VULTR : https://www.vultr.com/pricing/