Probably just a historical artifact of values that we thought were reasonable for our machines at NASA. Vish On Dec 11, 2014, at 8:35 AM, David Kranz <dkranz at redhat.com> wrote: > Perhaps this is a historical question, but I was wondering how the default OpenStack flavor size ratio of 2/1 was determined? According to http://aws.amazon.com/ec2/instance-types/, ec2 defines the flavors for General Purpose (M3) at about 3.7/1, with Compute Intensive (C3) at about 1.9/1 and Memory Intensive (R3) at about 7.6/1. > > -David > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev at lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 455 bytes Desc: Message signed with OpenPGP using GPGMail URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20141211/47f7b940/attachment.pgp>