[Pdns-users] pdns cannot handle large pdns notify

[Otto Moerbeek]

On Tue, Dec 24, 2019 at 10:25:28AM +0800, Jackson Yap wrote:

> Hi,
> 
> 
> 
> We have an urgent issue need help urgently.
> 
> 
> 
> We have a master pdns server which sends notify to pdns slave.
> 
> 
> 
> We realised when we do a pdns_control notify '*' , many axfrs cannot be
> transferred to our pdns slave. We have about 500+ zones in total.
> 
> 
> 
> Only when we do specific domain notify like pdns_control notify 'example.com’,
> it will work properly.
> 
> 
> 
> My question is, what settings could have provided mass pdns notify from
> working properly?
> 
> 
> 
> I have searched everywhere and made changes to parameters like
> max_tcp_connection etc, but none helped.

You are not mentioning the version you are running. There have been
improvements in 4.2 (some of them backported to 4.1.x) related to the
robustness of notify handling. So start with telling us more details.

	-Otto