Under the output of Show system processes extensive we can see that httpd is taking CPU usage

PID  USERNAME  THR  PRI  NICE  SIZE  RES  STATE  TIME  WCPU  COMMAND
1682  nobody    8     40    0    13880K   7312K    ucondt    152.0H   82.52%    httpd

Due to this the CPU idle time is stuck at 0 percent.




 

About httpd process: -High CPU due to the httpd process on a juniper switch is typically related to the Web management interface(J-web) or related services. 

Steps which you can take to troubleshoot this issue:
1. Check the Current CPU usage using the command: show system processes extensive.
2.Check the J-web configuration using the command: show configuration | display set | match web-management.
3.If customer has the configuration and he is not using it try to disable it using the command: 
set system services web-management http disable.
commit
4.If still you are facing the issue with high CPU due to httpd process kill the process using the command:
start shell user root
kill <pid>
or 
kill -9 <pid>

After killing the process monitor the CPU usage.