yarn Failed to bind to: 0.0.0.0/0.0.0.0:8080

[ch huang]

i have 3 NM, on the box of one of NM ,the 8080 PORT has already ocuppied by
tomcat,so i want to change all NM 8080 port to 8090,but problem is
i do not know 8080 port is control by what option in yarn ,anyone can help??