Hi, We have cpu and ram overcommit ratios that can be set. Hypervisor does the autoscaling based on contention.
-Harikrishna On 21-Oct-2013, at 10:13 AM, Nguyen Anh Tu <ng.t...@gmail.com> wrote: > Hi guys, > > I read about the new feature on 4.2 version: "dynamic scaling of CPU and > RAM" - > https://cwiki.apache.org/confluence/display/CLOUDSTACK/Dynamic+scaling+of+CPU+and+RAM > > I'm wonder why we don't support autoscaling CPU and RAM feature, which acts > like the current autoscaling. Particularly, when deploying VM, users set > memory_static_min and memory_static_max and ACS choose memory_dynamic_min > and memory_dynamic_max, for > example, memory_dynamic_min=memory_dynamic_max=memory_static_min. While > running, if the VM is in pressure, ACS automatically > change memory_dynamic_min, memory_dynamic_max based on pre-defined policy. > > At configuration period, users may set these below parameters: > > memory_static_min > memory_static_max > duration > quiet time > interval > threshold > .... > > Any idea? > > Cheers, > > -- > > N.g.U.y.e.N.A.n.H.t.U
