#nano /etc/apache2/mods-enabled/mpm_event.conf
—————————–add—————————————-

	StartServers			 2
	MinSpareThreads		 25
	MaxSpareThreads		 75
	ThreadLimit			 64
	ThreadsPerChild		 25
	MaxRequestWorkers	  625
	MaxConnectionsPerChild   10


And 
... mpm_prefork.conf

        ServerLimit 3000
	StartServers			 15
	MinSpareServers		  25
	MaxSpareServers		 25
	MaxRequestWorkers	  3000
	MaxConnectionsPerChild   10


——————————————————————-
# service apache2 restart