If you plan to use more, pre-purchase a light reserved instance. If you plan to use less hours than this, pick on-demand. it tells you when one pricing plan becomes cheaper than another after X hrs of usage.įor example, The red line (on-demand) and yellow line (light reserved) intersect first, at about 2730 hrs and $614. 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.
Ec2 pricing m1.large plus#
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… Then this RI’s discounted rate can automatically apply to two m4.xlarge instances in us-east-1a or four m4.large instances in us-east-1b.Amazon offers different ways of paying for the same thing. As an example, let’s say you own an m4.2xlarge Linux/UNIX RI with default tenancy in US East (N.Virginia). When an Availability Zone isn’t specified, the RI discount will apply to a running instance of any size (within the same family) in the region.
Ec2 pricing m1.large windows#
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