Re: [Qemu-devel] Question with migrate_set_speed

2016-08-19 Thread Peter Xu
On Fri, Aug 19, 2016 at 09:13:15AM +0100, Dr. David Alan Gilbert wrote: > Actually, that's what QEMU does; the migrate_set_speed is really only used > for (1) directly. > (2) actually comes from a measured bandwidth multiplied by the > 'migrate_set_downtime' > figure. (See around line 1800ish i mi

Re: [Qemu-devel] Question with migrate_set_speed

2016-08-19 Thread Dr. David Alan Gilbert
* Peter Xu (pet...@redhat.com) wrote: > Hi, > > I am playing with live migration and got one question about live > migration set_speed. > > Now we can use migrate_set_speed to configure the threshold during > migration (it should be only used for precopy, so let's assume the > migration is a prec

[Qemu-devel] Question with migrate_set_speed

2016-08-18 Thread Peter Xu
Hi, I am playing with live migration and got one question about live migration set_speed. Now we can use migrate_set_speed to configure the threshold during migration (it should be only used for precopy, so let's assume the migration is a precopy case). However I feel like this single parameter c