Jmeter自带模拟带宽设置，前提是当前的带宽>=要模拟的带宽，如：当前4m的宽带，只能模拟4m及以下的带宽；
设置方法：在user.properties文件，增加如下配置：
# Define characters per second > 0 to emulate slow connections httpclient.socket.http.cps=49152 httpclient.socket.https.cps=49152
以上，是定义了一个Mobile data EDGE : 384 kbit/s的带宽；
计算cps公式
cps = (target bandwidth in kbps * 1024) / 8
Some examples:
|
Network bandwidth |
cps value |
|
Mobile data GPRS : 171 kbit/s |
21888 |
|
Mobile data EDGE : 384 kbit/s |
49152 |
|
Mobile data HSPA : 14,4 Mbp/s |
1843200 |
|
Mobile data HSPA+ : 21 Mbp/s |
2688000 |
|
Mobile data DC-HSPA+ : 42 Mbps |
5376000 |
|
Mobile data LTE : 150 Mbp/s |
19200000 |
|
WIFI 802.11a/g : 54 Mbit/s |
6912000 |
|
WIFI 802.11n : 600 Mbit/s |
76800000 |
|
Ethernet LAN ; 10 Mbit/s |
1280000 |
|
Fast Ethernet : 100 Mbit/s |
12800000 |
|
Gigabit Ethernet : 1 Gbit/s |
128000000 |
|
10 Gigabit Ethernet : 10 Gbit/s |
1280000000 |
|
100 Gigabit Ethernet : 100 Gbit/s |
12800000000 |
|
WAN modems V.92 modems : 56 kbit/s |
7168 |
|
ADSL : 8 Mbit/s |
1024000 |
|
ADSL2 : 12 Mbit/s |
1536000 |
|
ADSL2+ : 24 Mbit/s |
3072000 |
Configuration summary:
-
Ensure you use HttpClient 3.1 or HttpClient 4 implementations
-
Configure bandwidth by defining the 2 properties above in <jmeter home>/bin/user.properties
-