(WEB HOST INDUSTRY REVIEW) — Enabling users to run memory-intensive workloads at substantial savings, Amazon Web Services (aws.amazon.com) has reduced both the On-Demand and Reserved Instance prices for its High-Memory Double Extra Large and High-Memory Quadruple Extra Large by up to 19 percent.
High-memory instances offer large memory sizes for high throughput applications such as for database and memory caching. The “High-Memory Double Extra Large Instance” (also known as m2.4xlarge) offers 34.2 GB of memory, 13 EC2 “compute units” (the equivalent CPU capacity of physical hardware) made up of 4 virtual cores with 3.25 EC2 compute units each running on a 64-bit platform, as well as 850 GB of local instance storage. The Quadruple Extra Large Instance (or m2.4xlarge) offers 68.4 GB of memory, 26 EC2 Compute Units, 1690 GB of local instance storage.
AWS evangelist Jeff Barr announced the new instance prices in a blog entry, which explained that a typical m2.4xlarge instance in the us-east region, which had used to be $2.40 per hour is now $2.00. This makes database, memcached (www.memcached.org), and other memory-intensive workloads more economical.
In addition, Reserved Instances, introduced last year, can save users up to 56 percent overall when compared to On-Demand instances, depending on their usage model, by giving users the option to make a one-time payment for an instance to reserve capacity and giving them a significant hourly discount on using that instance.
Those with existing Reserved Instances will notice that their hourly usage rate has automatically been lowered, effective starting September 1, 2010.
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