Amazon Web Services (AWS) has expanded the T2 virtual machine instances available from its cloud platform with a new low-cost configuration, giving customers more choice when operating modest workloads that may occasionally experience a peak in demand.
Available now, the T2.Nano instance comprises 512MB of memory and one virtual CPU, and can run 32-bit or 64-bit operating systems and applications, according to AWS. Like the existing T2 instances, the new model is a general purpose instance type designed to provide a baseline level of CPU performance with the ability to burst above that baseline if required.
The T2.Nano instance takes the idea further, and offers a lower baseline configuration than the Micro, Small, Medium or Large T2 instances. It has been introduced following the popularity of the T2 model among customers, according to AWS.
"The T2.Nano offers the full performance of a high frequency Intel CPU core if your workload uses less than five percent of the core on average over 24 hours. You get full access to the CPU core when needed, as long as you maintain a positive CPU credit balance," said AWS chief evangelist Jeff Barr on the AWS blog.
"I expect to see the T2.Nano used to host low-traffic websites, run microservices, support dev/test environments and as cost-effective monitoring vehicles. There are also plenty of ways to use these instances in training and educational settings."
T2 instances are aimed workloads that don't use the full CPU often or consistently, but occasionally need to burst to higher CPU performance. Customers can operate workloads at low CPU use and accumulate credits as they go, which can then be used if the workload suddenly calls for greater performance.
"Each newly launched T2.Nano starts out with a CPU balance of 30 credits, and earns three more credits per hour up to a maximum of 72. This means that each instance can burst to full-core performance for up to 72 minutes at a stretch," Barr explained.
Customers can run Linux or Windows workloads on T2.Nano instances, but AWS said that Windows instances consume more CPU and memory than Linux instances and advises users to carry out testing and evaluations to discover which instance size will work best for their application.
The T2.Nano instances are priced at exactly half of the T2.Micro instance for a given region, starting at $0.0065 per hour or $4.75 per month. The cost is even lower if customers opt for a one-year or three-year Reserved Instance plan.
AWS said that the T2.Nano instances are currently available from its US East (Northern Virginia), US West (Oregon), US West (Northern California), Europe (Ireland), Asia Pacific (Singapore), Asia Pacific (Tokyo) and South America (Brazil) regions. Availability in additional regions will come later.
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