Geek Answers Handbook

Are AWS EC2 Reserved Instances Better Performance Than Demand or Spot Instances?

I am considering buying a reserved copy of Amazon AWS EC2 . Does anyone know of any performance benefits for reserved or on-demand, random instances? Or is it just a price difference? Do reserved instances save virtual machines with less overload, and this is what I am thinking about.

Thanks Michael

+7
source share
4 answers

Spot points are mainly when Amazon has unused resources, they can sell them at a slightly lower price, so I hope to get the money spent. The problem with spot instances is that they can be disabled at any time so that you take a chance.

Reserved instances are the processing power that you can purchase in advance at a discount. You basically say that you are going to use this type of system for 1 or 3 years, or if you are not going to use it, you want you to be able to use it at any time.

By default request for most people by default. They are there. They are available when you need it, and when they do not need you, you stop paying for them.

If you buy the same types of computer configurations for each type of instance, then there is no difference in performance, only the price.

+11
source

Despite its name, a “reserved instance” is a billing construct, not an instance type. When you purchase a reserved instance, the instance does not start. It just affects the price you pay for a standard copy on request, which corresponds to the availability zone, type of instance, operating system for buying a reserved instance.

Purchasing a reserved copy can reduce the hourly price you pay for a copy on request, which has been running for several months. If you complete this instance on demand, the cost of the reserved instance is switched to any other instance upon request, which works and meets the specifications.

Instance points match instances on demand, except when they start / end and how much they cost.

+13
source

The Amazon Reserved Page does not contain any other benefits besides cost.

+2
source

Adding to what @BuildStarted said, I noticed longer start times with dots. I assume that because there is still some time needed to calculate the current spot price and search for power.

Once the instance is up and running, you should not see the difference between the three pricing methods for the same type of instance.

+1
source

More articles:


All Articles