Re:Introducing E2, new cost-optimized general purpose VMs fo...
by _msw_ on Friday December 13, 2019 @01:28AM
(#21779552)
A t3.micro has two vCPUs, where each vCPU is backed by a hyperthread of a physical core. Because the scheduler used by the Nitro Hypervisor core based scheduling (see [1]), the two vCPUs will always map to the two threads of a physical core. You will not run on two separate physical cores are the same time if you have only 2 vCPUs allocated to your T3 instance.
The scheduler can move where your vCPUs run based on available resources.
I can try to explain virtual machine CPU scheduling, but I can't explain when or where AWS will build new regions that have not been announced. :-)
[1] https://lwn.net/ml/linux-kernel/20180907214047.26914-1-jscho...
This in order to allow for my server to continue operation if the steal rate of one core goes through the roof because some other instances running on my shared physical core are taking too many resources unexpectedly.
And how does Amazon explain still not having a central region in the US? I mean the multiplayer share of your revenues must be at least 10% by now?
I just managed to get a IONOS instance running in Kansas City (same distance from east/west-coasts) for low-and-behold 1€/month with unlimited data (18GB SSD and 512MB RAM). How is AWS going to compete with that?