kafka cluster network bandwidth is too high

[陈超]

Hi kafka developer,

 

         I have a kafka cluster with 3 node. And it have 3 topic now. We
have not many data into the kafka topic now. But the node sync data to each
other node bandwidth is up to 4 Mb/s. I don’t know why so high. This is the
picture below:

 

Iftop info:

说明:
C:\Users\lenovo\AppData\Roaming\Tencent\Users\247135449\QQ\WinTemp\RichOle\P
ZZ[Q[7A8_0F%{WM6ZC[K{O.png

 

Ps �Cmp kafkapid �Co THREAD,tid,time

说明:
C:\Users\lenovo\AppData\Roaming\Tencent\Users\247135449\QQ\WinTemp\RichOle\5
(X37VYS5XVO7@@MF6SMX6T.png

 

Jstack info:

说明:
C:\Users\lenovo\AppData\Roaming\Tencent\Users\247135449\QQ\WinTemp\RichOle\S
EXO2G62J[L9}GDSO7)BS}B.png

 

Can you help me find the problem? 

Thank you very much!