> > Some cleanup operations take long time during the pause and copy
> > stage, especially with the KVM patch 3ea3b7fa9af067, do these
> > operations after the completion of live migration can help to reduce
> > VM
> downtime.
> >
> > Ony the first patch changes the behavior, the rest 3 patches
On 12/08/2015 23:04, Liang Li wrote:
@@ -1008,8 +1009,10 @@ static void *migration_thread(void *opaque)
}
qemu_mutex_lock_iothread();
+end_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+qemu_savevm_state_cancel();
+
You can remove the
Right now, we don't have an interface to detect that cases and
got back to the iterative stage.
How about go back to the iterative stage when detect that the
pending_size is larger Than max_size, like this:
+/* do flush here is aimed to shorten the VM
