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I'm not sure which region you priced, but an m4.16xlarge in us-east-1 (Virginia) is $3.20/hour, or $2304/month. But if you are comparing it to a purchased serv

I'm not sure which region you priced, but an m4.16xlarge in us-east-1 (Virginia) is $3.20/hour, or $2304/month. But if you are comparing it to a purchased server, you ought to be looking at Reserve pricing, a 1 year reserved instance is $16K/year, 3 years is $32K (or you can pay monthly if you want). Still not as cheap as owning the server, but not quite as bad.

shiftpgdn 9y ago
I had selected a dedicated instance. It's been my experience the difference in performance between dedicated and non dedicated is dramatic. edit: I had selected a dedicated instance in order to compare apples to apples. By definition you don't share a colo server.
- dhillonsandeep 9y ago
  this is not true, there should be no difference
- openasocket 9y ago
  Why get a dedicated instance and not get reserve pricing? You can get those instances for a fraction of what you're currently paying
- Johnny555 9y ago
  With an m4.16xl, there's no effective difference between a dedicated or default tenancy instance - only one .16xl can run on a physical hypervisor, which is reflected in the pricing, it's $3.20/hour whether it's dedicated or not: https://aws.amazon.com/ec2/pricing/on-demand/ https://aws.amazon.com/ec2/pricing/on-demand/ https://aws.amazon.com/ec2/purchasing-options/dedicated-instances/ https://aws.amazon.com/ec2/purchasing-options/dedicated-inst... For smaller instances, there is around a 10% increase for dedicated, for example, for an m4.4xl, the price goes to $0.88 for dedicated tenancy versus $0.80 for default. There is a $2/hour fee for each region in which you have dedicated instances, but that gets lost in the noise if you're using significant AWS resources. (it's $2/hour regardless of how many instances you're running) We haven't noticed any significant difference between performance on dedicated and non-dedicated instances, and only use dedicated instances where required for compliance/regulatory reasons.
  - late2part 9y ago
    An m4.16xl has 8 physical cores; what hypervisor does AWS buy that only has 8 physical cores? My smallest physical servers have 8 physical cores.
    - meatmanek 9y ago
      An m4.16xl has 32 cores / 64 threads.
      - late2part 9y ago
        okay, my error - thanks!

shiftpgdn 9y ago

I had selected a dedicated instance. It's been my experience the difference in performance between dedicated and non dedicated is dramatic. edit: I had selected a dedicated instance in order to compare apples to apples. By definition you don't share a colo server.

dhillonsandeep 9y ago
this is not true, there should be no difference
openasocket 9y ago
Why get a dedicated instance and not get reserve pricing? You can get those instances for a fraction of what you're currently paying
Johnny555 9y ago
With an m4.16xl, there's no effective difference between a dedicated or default tenancy instance - only one .16xl can run on a physical hypervisor, which is reflected in the pricing, it's $3.20/hour whether it's dedicated or not: https://aws.amazon.com/ec2/pricing/on-demand/ https://aws.amazon.com/ec2/pricing/on-demand/ https://aws.amazon.com/ec2/purchasing-options/dedicated-instances/ https://aws.amazon.com/ec2/purchasing-options/dedicated-inst... For smaller instances, there is around a 10% increase for dedicated, for example, for an m4.4xl, the price goes to $0.88 for dedicated tenancy versus $0.80 for default. There is a $2/hour fee for each region in which you have dedicated instances, but that gets lost in the noise if you're using significant AWS resources. (it's $2/hour regardless of how many instances you're running) We haven't noticed any significant difference between performance on dedicated and non-dedicated instances, and only use dedicated instances where required for compliance/regulatory reasons.
- late2part 9y ago
  An m4.16xl has 8 physical cores; what hypervisor does AWS buy that only has 8 physical cores? My smallest physical servers have 8 physical cores.
  - meatmanek 9y ago
    An m4.16xl has 32 cores / 64 threads.
    - late2part 9y ago
      okay, my error - thanks!