On Thu, 12 Jul 2012 02:02:24 +0100 "Vinod, Chegu" <chegu_vinod@xxxxxx> wrote: > There have been some recent fixes (from Juan) that are supposed to honor the user requested downtime. I am in the middle of redoing some of my experiments...and will share when they are ready (in about 3-4 days). Initial observations are that the time take for the total migration considerably increases but there are no observed stalls or ping timeouts etc. Will know more after I finish my experiments (i.e. the non-XBZRLE ones). > > As expected the 10G [back -to-back] connection is not really getting saturated with the migration traffic... so the there is some other layer that is consuming time (possibly the overhead of tracking dirty pages). > > I haven't yet had the time to try to quantify the performance degradation on the workload during the live migration (stage 2)... need to look at that next. > I recommend you to try the latest kvm.git next branch as well since it now has Xiao's fast(lock-less) page fault handling work. Although I am still testing that branch, it seems working well here. Thanks, Takuya > Thanks for the pointers to the old artcles. > > Thanks > Vinod -- 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
