The intersections of the lines tell you the break-even points for the various plans. The idea is that you want to pick the line that is closer to the bottom. The yellow line represents the Light Reserved Instance pricing. The blue line represents the Medium Reserved Instance pricing. The green line represents the High Reserved Instance pricing. The red line represents the On-Demand pricing. The x-axis is the number of hours of ec2 usage. Here’s an example of the m1.large pricing model. An online graphing tool can be found here. So what I did was plot out the lines of the 4 pricing models on a graph. But you may still like to know when it makes sense to get On-Demand vs Light Reserved vs Medium Reserved vs Heavy Reserved. Well, no one can really know exactly how many days or hours they’ll run a server. If you went with Heavy utilization, you’d end up paying about $945.Ĭlearly, Light Utilization is the way the go. If you went with Medium utilization, you’d end up paying about $957. If you went with Light utilization, you’d end up paying about $896. Heavy Utilization, with an upfront cost of $676 plus $0.056/hr.Medium Utilization, with an upfront cost of $554 plus $0.084/hr.Light Utilization, with an upfront cost of $243 plus $0.136/hr.(This is their On-Demand pricing.)īut you could also purchase a Reserved Instance license. You can launch your m1.large EC2 instance and Amazon will happily charge you $0.240/hr. You: Ok, let’s say I need it running continuously for 200 days. Me: Well, it depends on how long you need it for. Let’s suppose you want a m1.large ec2 instance, which gives you 7.5GB of memory, 2 compute units, yada yada yada… The new pricing is now in effect.Amazon offers different ways of paying for the same thing. Given the many ways that our customers have already put them to use, I am happy to tell you that we’ve lowered the prices for newly purchased Amazon EC2 Reserved Instances! On a three year term, you can now get an m1.small instance for an effectively hourly rate of just $0.043 per hour (4.3 cents). The Reserved Instances are an integral part of their disaster recovery plan.
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