Problem with Secondary systems with many zones
barmar at alum.mit.edu
Sat Dec 11 03:50:38 UTC 2004
In article <cpbs2d$2c3s$1 at sf1.isc.org>, list3 at wwwcrazy.com wrote:
> Quoting Barry Margolin <barmar at alum.mit.edu>:
> > I remember seeing a similar problem with an 8.3 server when I worked at
> > Genuity, maybe 9.x has a similar problem.
> > We had one customer with lots of zones (they owned a class B network and
> > the files' timestamps as the basis.
> So does Bind choke when it exceeds 30k or 40k domains?
At the peak, Genuity's nameservers had over 30K zones, maybe over 40K,
and I heard about sites with many more than this (although I suspect
most of those were web hosting companies, where all the zones were
really tiny, just containing a "www" entry and maybe an MX record). We
were running BIND 8.x at the time I worked there.
> Has anyone been able to stop and restart a secondary name server that has over
> 40k domains that have the same master name server (with zone files currently
> in place)?
One important configuration is to make the slaves *not* send notifies.
Otherwise, when the server starts up, there's a storm of notifies being
sent to all the other slaves.
Barry Margolin, barmar at alum.mit.edu
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