Re: [Qemu-devel] [PATCH 0/3] re-enable balloon stats

[Dietmar Maurer]

> > Can't we enable stat queries by default (10s interval),
> 
> I'm not sure I like this for two reasons. First, there will be cases where the
> user doesn't want this to be enabled. Second, we'll be forcing an interval on
> users.

OK.
 
> > and simply return all stats with one API call (query-ballon)?
> 
> We can't use query-balloon because this changes query-balloon from
> synchronous to asynchronous, and this is an incompatible change.

Why don't we simply cache the last received stats, and query-ballon returns
the cached values?