We actually were in an Amazon/host it yourself debate with someone. Which prompted us to do some calculations:
http://www.edwardcapriolo.com/roller/edwardcapriolo/entry/myth_busters_ops_editition_is We calculated the cost for storage alone of 300 TB on ec2 as 585K a month! The cloud people hate hearing facts like this with staggering $ values. They also do not like hearing how a $35 dollar a month physical server at Joe's datacenter is much better then an equivilent cloud machine. http://blog.carlmercier.com/2012/01/05/ec2-is-basically-one-big-ripoff/ When you bring these facts the go-to-move is go-buzzword with phrases "cost of system admin", "elastic", "up front initial costs". I will say that Amazons EMR service is pretty cool and their is something to it, but the cost of storage and good performance is off the scale for me. On 5/31/12, Mathias Herberts <mathias.herbe...@gmail.com> wrote: > Correct me if I'm wrong, but the sole cost of storing 300TB on AWS > will account for roughly 300000*0.10*12 = 360000 USD per annum. > > We operate a cluster with 112 nodes offering 800+ TB of raw HDFS > capacity and the CAPEX was less than 700k USD, if you ask me there is > no comparison possible if you have the datacenter space to host your > machines. > > Do you really need 10Gbe? We're quite happy with 1Gbe will no > over-subscription. > > Mathias. >
