WordPress Error 500 and 503

[Mitebb]

when I'm posting in WordPress always I'm gritting  error 500 and 503  and when I watch  my Cpanel my ram  work full and  I/O  go full to what I can do to solve it ..? 

[charminglygeeky]

Hi @Mitebb,

If your resources are maxing out and you are receiving a 503 error, this is an indication that you need to review your scripting. Reviewing your scripting/plugins will allow you to determine what is causing the issue.  If that does not resolve the issue, I suggest upgrading your hosting resources.