장영호IDC에 네트웍을 구축한 고객들중 백업등 데이터 이동으로 인해 업링크 포트에 과도하게 트래픽이
집중되어 전체적인 네트웍이 느려지는걸 자주 보게 된다.
주로 ftp, rsync를 이용하여 데이터가 이동하는데 이런 프로그램의 대역폭을 trickle 프로그램으로
조절이 가능하다.
– 설치
root@smileserv-desktop:~# apt-get install trickle
패키지 목록을 읽는 중입니다... 완료
의존성 트리를 만드는 중입니다
상태 정보를 읽는 중입니다... 완료
다음 패키지가 자동으로 설치되었지만 더 이상 필요하지 않습니다:
linux-image-3.13.0-66-generic linux-image-3.13.0-68-generic
linux-image-3.13.0-70-generic linux-image-3.13.0-71-generic
linux-image-3.13.0-73-generic linux-image-3.13.0-74-generic
linux-image-3.13.0-76-generic linux-image-extra-3.13.0-66-generic
linux-image-extra-3.13.0-68-generic linux-image-extra-3.13.0-70-generic
linux-image-extra-3.13.0-71-generic linux-image-extra-3.13.0-73-generic
linux-image-extra-3.13.0-74-generic linux-image-extra-3.13.0-76-generic
Use 'apt-get autoremove' to remove them.
다음 새 패키지를 설치할 것입니다:
trickle
0개 업그레이드, 1개 새로 설치, 0개 제거 및 116개 업그레이드 안 함.
0 바이트/34.6 k바이트 아카이브를 받아야 합니다.
이 작업 후 158 k바이트의 디스크 공간을 더 사용하게 됩니다.
Selecting previously unselected package trickle.
(데이터베이스 읽는중 ...현재 648717개의 파일과 디렉터리가 설치되어 있습니다.)
Preparing to unpack .../trickle_1.07-10ubuntu2_amd64.deb ...
Unpacking trickle (1.07-10ubuntu2) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
trickle (1.07-10ubuntu2) 설정하는 중입니다 ...
# debian 계열 ubuntu 14.04 에서 apt-get install 명령어로 쉽게 설치가 가능하다
[root@controller ~]# yum install epel-release
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: data.nicehosting.co.kr
* extras: ftp.daumkakao.com
* updates: data.nicehosting.co.kr
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch 0:7-5 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=================================================================================================================================================================================================================
Package Arch Version Repository Size
=================================================================================================================================================================================================================
Installing:
epel-release noarch 7-5 extras 14 k
Transaction Summary
=================================================================================================================================================================================================================
Install 1 Package
Total download size: 14 k
Installed size: 24 k
Is this ok [y/d/N]: y
Downloading packages:
epel-release-7-5.noarch.rpm | 14 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : epel-release-7-5.noarch 1/1
Verifying : epel-release-7-5.noarch 1/1
Installed:
epel-release.noarch 0:7-5
Complete!
[root@controller ~]# yum install trickle
Loaded plugins: fastestmirror
epel/x86_64/metalink | 5.3 kB 00:00:00
epel | 4.3 kB 00:00:00
(1/3): epel/x86_64/group_gz | 169 kB 00:00:00
(2/3): epel/x86_64/primary_db | 3.9 MB 00:00:00
(3/3): epel/x86_64/updateinfo | 493 kB 00:00:05
Loading mirror speeds from cached hostfile
* base: data.nicehosting.co.kr
* epel: ftp.riken.jp
* extras: ftp.daumkakao.com
* updates: data.nicehosting.co.kr
Resolving Dependencies
--> Running transaction check
---> Package trickle.x86_64 0:1.07-19.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=================================================================================================================================================================================================================
Package Arch Version Repository Size
=================================================================================================================================================================================================================
Installing:
trickle x86_64 1.07-19.el7 epel 48 k
Transaction Summary
=================================================================================================================================================================================================================
Install 1 Package
Total download size: 48 k
Installed size: 103 k
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/epel/packages/trickle-1.07-19.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 352c64e5: NOKEY
Public key for trickle-1.07-19.el7.x86_64.rpm is not installed
trickle-1.07-19.el7.x86_64.rpm | 48 kB 00:00:00
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Importing GPG key 0x352C64E5:
Userid : "Fedora EPEL (7) <epel@fedoraproject.org>"
Fingerprint: 91e9 7d7c 4a5e 96f1 7f3e 888f 6a2f aea2 352c 64e5
Package : epel-release-7-5.noarch (@extras)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : trickle-1.07-19.el7.x86_64 1/1
Verifying : trickle-1.07-19.el7.x86_64 1/1
Installed:
trickle.x86_64 0:1.07-19.el7
Complete!
# redhat 계열 CentOS 7에서는 epel repository를 설치하고 yum 설치가 가능하다.
– ftp 트래픽 조절
# trickle 사용전
root@smileserv-desktop:~# lftp -u SND xxx.xxx.xxx.xxx
비밀번호:
lftp SDN@xxx.xxx.xxx.xxx:~> cd smileserv/Linux_iso/ 후
lftp SDN@xxx.xxx.xxx.xxx:~/smileserv/Linux_iso> get CentOS\ 7\ x86_64-0.iso
`CentOS 7 x86_64-0.iso' at 132024912 (3%) 9.19M/초 남은시간:7m [자료 받는 중]
# trickle 사용후
root@smileserv-desktop:~# trickle -s -u 1000 -d 1000 lftp -u SND 211.55.113.55
lftp SDN@xxx.xxx.xxx.xxx:~> cd smileserv/Linux_iso/
lftp SDN@xxx.xxx.xxx.xxx:~/smileserv/Linux_iso> get -c CentOS\ 7\ x86_64-0.iso
`CentOS 7 x86_64-0.iso' at 192482168 (4%) 1.07M/초 남은시간:61m [자료 받는 중]
# 사용법은 명령어 전에 trickle을 붙여주는 것이며 -u, -d옵션으로 Kbyte 단위의 업, 다운로드
대역폭 할당이 가능하다.