Re: [Openstack] VM resize time comparison

2016-07-27 Thread Chathura M. Sarathchandra Magurawalage
Since an explanation could not yet be found for this phenomenon. I have plotted two graphs to show the effect. https://www.dropbox.com/s/5e8xrrctu0rcwx3/CPU%20scaling%20%20-%20continuous%20vs%20increasing%20from%201.png?dl=0 https://www.dropbox.com/s/txpkb8k6mpyexv8/CPU%20scaling%20-%20increase%2

Re: [Openstack] VM resize time comparison

2016-07-26 Thread Chathura M. Sarathchandra Magurawalage
Thanks Tomas. Yes you are right but that will only happen when you resize disk at each step. But when I increased CPU other resource were kept fixed. So in This case, it won’t be copying bigger disk over each time. > On 26 Jul 2016, at 08:45, Tomas Vondra wrote: > > Chathura M. Sarathchandra

Re: [Openstack] VM resize time comparison

2016-07-26 Thread Tomas Vondra
Chathura M. Sarathchandra Magurawalage <77.chathura@...> writes: > > Hi, > > Does anyone know the reason for VM resizing time to increase faster if you continuously increase CPU or DISK > resources by +1 (e.g. 1-2, 2-3, 3-4, 4-5). Whereas, when you increase from 1 to any of +1/+2/+3/+4…..+n > (