hello i still have issues with my droplet, this is my configuration

• 1 GB Memory / 30 GB Disk / NYC3 - Ubuntu 14.04.4 x64
• 4 GB Swap memory
• Wp Super Cache installed
• CloudFlare protection active
• Active Vhost XMLRPC attack protection
• 11 Wordpress site installed

every 24 or 32 hours the graph Disk and CPU reach disproportionate levels of activity and server go slow or mysql stop working, check this image: http://i.imgur.com/EHsfziJ.jpg

Please a god man can help for me? (please don't ask me move to managed hosting)