I asked back in September about getting the Centos6-HVM AMI updated to support the C4-8XL instance type. Karanbir responded https://lists.centos.org/pipermail/centos-virt/2016-September/005222.html but I still see no evidence this has happened. This is a major thorn in our side and has prevented us from going completely to the C4 instance type , which we need for performance (both CPU and network). Thanks in advance John -- JOHN PEACOCK senior software build and release engineer tel 877-887-3031 mobile 240-429-9334 email john.peacock at sparkpost.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20161130/4b7b2274/attachment-0005.html>