(資料圖片僅供參考)

1.什么是WonderShaper

WonderShaper是用來對特定網(wǎng)卡進(jìn)行快速限速的工具，它實際是對Linux的tc命令進(jìn)行封裝后的shell腳本，所以使用成本比tc更低，更容易上手，以下配合測速工具speedtest一起使用

2.如何安裝WonderShaper

#直接拉取wondershaper，開箱即用git clone https://github.com/magnific0/wondershaper.gitroot@****-5491:/home/soft/wondershaper# ./wondershaper -vVersion 1.4.1root@****-5491:/home/soft/wondershaper# #網(wǎng)速測試工具speedtest安裝(Ubuntu)apt install speedtest-cli--yum install speedtest-cli (centos)3.WonderShaper使用幫助

root@****-5491:/home/soft/wondershaper# ./wondershaper -hUSAGE: ./wondershaper [-hcs] [-a ] [-d ] [-u ]Limit the bandwidth of an adapterOPTIONS: -h Show this message 【幫助信息】 -a Set the adapter 【指定網(wǎng)卡接口】 -d Set maximum download rate (in Kbps) and/or 【限制下載速度(Kbps)】 -u Set maximum upload rate (in Kbps) 【限制上傳速度(Kbps)】 -p Use presets in "/etc/systemd/wondershaper.conf" -f Use alternative preset file -c Clear the limits from adapter 【清除指定網(wǎng)卡規(guī)則，用于取消限速】 -s Show the current status of adapter 【顯示當(dāng)前網(wǎng)卡的狀態(tài)】 -v Show the current version 【顯示當(dāng)前版本】 Configure HIPRIODST in "/etc/systemd/wondershaper.conf" for hosts requiring high priority i.e. in case ssh uses dport 443.MODES: wondershaper -a -d -u wondershaper -c -a wondershaper -s -a EXAMPLES: 【使用示例】 wondershaper -a eth0 -d 1024 -u 512 【設(shè)置網(wǎng)卡eth0的上行速度為512kbps，下行速度為1024kbps】 wondershaper -a eth0 -u 512 【只設(shè)置上行速度為512kbps】 wondershaper -c -a eth0 【清除網(wǎng)卡eth0的規(guī)則】 wondershaper -p -f foo.conf 【設(shè)置指定的配置文件】4.WonderShaper使用示例

4.1查看網(wǎng)卡狀態(tài)

root@****-5491:/home/soft/wondershaper# ifconfig eno1eno1: flags=4163 mtu 1500 inet 192.168.5.103 netmask 255.255.255.0 broadcast 192.168.5.255 inet6 fe80::2c93:21f9:1931:304 prefixlen 64 scopeid 0x20 ether c8:f7:50:7e:50:48 txqueuelen 1000 (Ethernet) RX packets 7748809 bytes 1034513376 (1.0 GB) RX errors 0 dropped 439 overruns 0 frame 0 TX packets 15528838 bytes 4784318169 (4.7 GB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device interrupt 16 memory 0x91500000-91520000 root@****-5491:/home/soft/wondershaper# ./wondershaper -s -a eno1qdisc fq_codel 0: root refcnt 2 limit 10240p flows 1024 quantum 1514 target 5.0ms interval 100.0ms memory_limit 32Mb ecn Sent 4528052159 bytes 14890189 pkt (dropped 0, overlimits 0 requeues 4224) backlog 0b 0p requeues 4224 maxpacket 66616 drop_overlimit 0 new_flow_count 35953 ecn_mark 0 new_flows_len 0 old_flows_len 0--測試網(wǎng)速root@****-5491:/home/soft/wondershaper# speedtestRetrieving speedtest.net configuration...Testing from China Telecom (120.36.98.11)...Retrieving speedtest.net server list...Selecting best server based on ping...Hosted by Fuzhou China Mobile,Fujian (Fuzhou) [589.19 km]: 14.449 msTesting download speed................................................................................-- 下載網(wǎng)速是171.43 Mbit/s，Download: 171.43 Mbit/sTesting upload speed......................................................................................................-- 上傳網(wǎng)速是4.15 Mbit/sUpload: 4.15 Mbit/s

4.2限制網(wǎng)卡速度（單位Kbps）

-- 下行2048kbps=2 Mbit/s,上行 1024kbps=1 Mbit/sroot@****-5491:/home/soft/wondershaper# ./wondershaper -a eno1 -d 2048 -u 1024--測試網(wǎng)速root@****e-5491:/home/soft/wondershaper# speedtestRetrieving speedtest.net configuration...Testing from China Telecom (120.36.98.11)...Retrieving speedtest.net server list...Selecting best server based on ping...Hosted by Far EasTone Telecom (Miaoli City) [722.10 km]: 174.383 msTesting download speed................................................................................-- 下行速度Download: 1.80 Mbit/sTesting upload speed......................................................................................................--上行速度Upload: 1.28 Mbit/sroot@****-5491:/home/soft/wondershaper#

4.3取消限速

--取消限速root@****-5491:/home/soft/wondershaper# ./wondershaper -c -a eno1-- 查看網(wǎng)卡狀態(tài)root@****-5491:/home/soft/wondershaper# ./wondershaper -s -a eno1qdisc fq_codel 0: root refcnt 2 limit 10240p flows 1024 quantum 1514 target 5.0ms interval 100.0ms memory_limit 32Mb ecn Sent 123022 bytes 471 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0 new_flows_len 0 old_flows_len 0-- 測試網(wǎng)速root@****-5491:/home/soft/wondershaper# speedtestRetrieving speedtest.net configuration...Testing from China Telecom (120.36.98.11)...Retrieving speedtest.net server list...Selecting best server based on ping...Hosted by Far EasTone Telecom (Miaoli City) [722.10 km]: 173.886 msTesting download speed................................................................................Download: 11.29 Mbit/sTesting upload speed......................................................................................................Upload: 2.93 Mbit/sroot@****-5491:/home/soft/wondershaper#5.WonderShaper在測試中的應(yīng)用

測試項目：某內(nèi)部數(shù)據(jù)庫遷移工具

測試目的：數(shù)據(jù)遷移中，對目標(biāo)端進(jìn)行限速，當(dāng)取消限速后，傳輸速度可以恢復(fù)

測試步驟：起遷移進(jìn)程，在目標(biāo)端服務(wù)器上用WonderShaper工具進(jìn)行限速：

-- 只限制下行速度[#22#root@**** ~/wondershaper]22 ./wondershaper -a enp0s3 -d 100

測試結(jié)果：限速后，寫目標(biāo)庫單位寫入行數(shù)和單位寫入字節(jié)數(shù)都急劇下降，如下圖：

取消限速，恢復(fù)網(wǎng)絡(luò)后，傳輸速率慢慢恢復(fù)：6.網(wǎng)速單位轉(zhuǎn)換

1KB/s = 8kbps = 8kb/s比如一般100M的寬帶，實際是100Mbps=(100/8) MB/s=12.5 MB/s7.總結(jié)

使用WonderShaper對網(wǎng)卡進(jìn)行限速，在測試時可以針對性的指定網(wǎng)卡，指定上傳速度或者指定下載速度，在測試中上傳和下載速度是互不影響的，可以只限制一方；且WonderShaper工具操作簡單好入手，是個不錯的工具。

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