Il 09/08/2013 12:20, Chijianchun ha scritto: > Now in KVM, when RAM snapshot, vcpus needs stopped, it is Unfriendly > restrictions to users. > > Are there plans to achieve ram live Snapshot feature? > > in my mind, Snapshots can not occupy additional too much memory, So when > the memory needs to be changed, the old memory page is needed to flush > to the file first. But flushing to file is too slower than memory, and > when flushing, the vcpu or VM is need to be paused until finished > flushing, so pause...resume...pause...resume............., more and > more slower. > > Is this idea feasible? Are there any other thoughts? > This looks very similar to postcopy migration (you can Google it). The infrastructure for postcopy migration could be used for this as well. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
