BIND 9.2.3 and zone transfers larger than 64MB

[Two Dog]

I wonder is there an option to perhaps do the zone transfer once a day
at say 3am when it would have the least impact?

On 27 Aug 2004 21:41:35 GMT, Ronan Flood <ronan at noc.ulcc.ac.uk> wrote:
> Jim Reid <jim at rfc1035.com> wrote:
> 
> > BTW, BIND9 can use twice as much RAM/VM as BIND8 when it loads a zone.
> > This may be significant when the zone that's loaded is large. The
> > reason for this is BIND9 creates a new data structure when it reloads
> > a zone. Once the zone load completes, the red-black tree for the old
> > copy of the zone is discarded. So there's a transient interval when
> > BIND9 has two copies of the zone in memory at once. BIND8 uses a
> > different technique for reloading zones. It loads the new copy over
> > the top of the existing zone which is evil, though it saves RAM/VM.
> 
> Does this enable BIND9 to (transfer and) reload the zone without
> suspending query service?  If not now, is that intended in the future?
> 
> We too pull rbl-plus.mail-abuse.org, to BIND8 servers; the transfer
> is out-of-band, but reloading the zone takes significant time and
> queries are not served until it has finished.
> 
> --
>                      Ronan Flood <R.Flood at noc.ulcc.ac.uk>
>                        working for but not speaking for
>             Network Services, University of London Computer Centre
>     (which means: don't bother ULCC if I've said something you don't like)
> 
>