How to solve mod_fcgid: can't apply process slot ?

mod_fcgid: can't apply process slot for mod_fcgid_ can't apply process slot for _var_www_cgibin_cgi_wrapper_cgi_wrapper 问题 服务器返回502 Bad Gateway apache日志错误信息： mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrappercgi_wrapper mod_fcgid_ can''t apply process slot for _var_www_cgibin_cgi_wrapper_cgi_wrapper mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrappercgi_wrapper My Wordpress blog site has generally 200 users per minute but under 1000

mod_fcgid_ can''t apply process slot mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrappercgi_wrapper, referer: marketplace?entry