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Server virtualization can save cost energy posts by grehh hernjer
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Server virtualization can save cost energy posts |
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Business,Business News,Business Opportunities
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Previous article, we talk about is the cost of server virtualization. So what is "hay theory": 10 horse is a horse hay required 10 times? 10 server energy consumption is always less than one server it? I do not think so. How much hay or consume energy are not just depend on the number of workers to take on a job.
I think, a body fat sumo wrestler's appetite may be a ballet dancer of 10 times. But the 10 ballet dancers are likely to beat a sumo wrestler's. Energy consumption for the workload to be completed are related. Therefore, if a high-end server to complete 10 units of common server workload, then obviously it needs a common energy than any server.
Of course, most energy advocates aware of this. Their view is that the energy consumption of servers at work when idle times higher than energy consumption. Because a virtual server running 10 high-end server little free time, all its higher energy efficiency. Of course, this theory is correct, assuming 10 units of regular server running a lot of work load, the consumption of energy so they did not complete the valuable work.
However, other factors should also be considered here. A server consumes most of the energy are converted into heat, the heat must be spread out. The problem is that the heat diffusion within the small area than in the proliferation of large areas difficult. This is why in recent years, computer products, doing more and more cooling fans. I clearly remember the first computer I bought did not even install the fan. Another point here, the fan is also a need to consume energy. A computer CPU, the greater the power, then you need more energy to heat emission. Clearly, a high-end server capacity is less than 10 sets of common servers, that is, on the server than the cooling fan on the configuration of the large-scale in terms of multiple servers requires more energy.
Even well equipped with high-end server fan, CPU, power supply and hard drives, etc., but this high-end servers that the temperature remains above 10 units of general server. This leads to a second theory: If you run the system at a higher temperature, then you will waste more heat. Imagine a runner to finish in the 100 meters in 10 seconds, even if he is well trained, but the finish is still sweating. In Imagine, 10 in 10 seconds with the average person to walk for 10 meters, but they add up to 100 meters away, but they do not sweat, do not feel exhausted, like runners do.
Perhaps this analogy is not appropriate for some, but you can understand the principle of: You can not just by reducing the number of workers to save energy. We should also consider other factors. If you use a new high-end servers to replace 10 sets of ordinary server, then later you may not be able to measure the energy consumption reduction. 5 sets of configuration may not ordinary server virtualization technology can accomplish the same task? This is an ordinary server energy consumption 5 lower it?
Are you able to virtualization technology to save energy costs, and how much savings they have to depend on your own environment. I do not think there is a common pattern will help you calculate this figure. In my view, we can apply some of the virtual servers to save energy. However, I think these benefits and advantages often by those who want to sell high-end server virtualization software vendor or exaggerated.
When it comes to the cost of server virtualization, there are other factors than energy conservation. This is our next one will be talking about the topic. I am a professional writer from China Telecommunications, which contains a great deal of information about wooden tie racks , wine serving cart, welcome to visit!
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