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Posted by James Staten on May 24, 2012
We all have habits we would like to (and should) break such as leaving the lights on in rooms we are no longer in and good habits we want to encourage such as recycling plastic bottles and driving our cars more efficiently. We often don't because habits are hard to change and often the impact isn't immediate or all that meaningful to us. The same has long been true in IT. But keep up these bad habits in the cloud, and it will cost you - sometimes a lot.
As developers, we often ask for more resources from the infrastructure & operations (I&O) teams than we really need so we don't have to go back later and ask for more - too painful and time consuming. We also often don't know how many resources our code might need, so we might as well take as much as we can get. But do we ever give it back when we learn it is more than we need?
On the other hand, I&O often isn't any better. The first rule we learned about capacity planning was that it's more expensive to underestimate resource needs and be wrong than to overestimate, and we always seem to consume more resources eventually.
Well, infrastructure-as-a-service (IaaS) and platform-as-a-service (PaaS) clouds change this equation dramatically, and you can reap big rewards if you change with them. For example, sure, you can ask for as many resources as you want - there's no pain associated with getting them and no pain to ask for more, either. But once you have them and figure how much you really need, it heavily behooves you to give back what you aren't using. Because you are paying for what you allocated whether you are really using it or not.
Cloudyn, a SaaS-based cloud cost management company, knows how much this is costing its enterprise clients, as it uses monitoring capabilities to map the difference between what its clients are paying for and what they are really using. It recently shared with Forrester the latest findings in its CloudynDex metrics report that aggregates cloud use and cost data from more than 100 of its clients running on Amazon Web Services' (AWS) IaaS cloud (collected randomly and anonymously with its clients' permission). The data is clear proof that we are bringing these bad habits to the cloud. These clients are spending between $12,000 to $2.5 million per year with AWS and throwing away about 40% of that expense. What kind of waste are they incurring?
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