[bind10-dev] XFR not expected to answer (was: production experience notes)

[JINMEI Tatuya / 神明達哉]

At Thu, 5 Apr 2012 07:35:53 -0500 (CDT),
"Jeremy C. Reed" <jreed at isc.org> wrote:

> > It's also strange to me that b10-auth still doesn't consume 100% CPU
> > time even if it should be too busy and actually drops queries.
> > 
> > Maybe related to this point, I guess we should allow b10-auth simply
> > returns REFUSED or some other error to xfr requests immediately if
> > it's not expected to answer them.  The ability of disabling xfrout is
> > nice, but what it currently means that b10-auth tries to forward the
> > requests but fails to establish a connection to xfrout (resulting in
> > an exception) for every request.  That's an obvious waste, and maybe
> > that's the reason for the idle time.
> 
> Does the problem with an exception for every request when xfrout is not 
> running still happen?

I believe so.  As far as I know there has been no change that could
fix that situation either directly or as a result of side effect.

> Should we open a trac ticket for this?

That sounds like a good idea.

---
JINMEI, Tatuya