Re: [Pdns-users] MySQL/MariaDb Scaling

2021-06-07 Thread Frank Louwers via Pdns-users
Hi Thomas, Most setups I've worked on, didn't move the thousands of domains to LMDB, but only activated LMDB on demand for domains under attack. The main reason not to use the LMDB backend for that many domains, is the fact that LMDB doesn't have any replication mechanisms. Also, the PowerDNS L

Re: [Pdns-users] MySQL/MariaDb Scaling

2021-06-07 Thread Thomas Mieslinger via Pdns-users
Hi Frank, thanks for noticing the possible speedup by using lmdb Backend instead of g*sql backends. Is anyone doing lmdb with millions of Zones? How do you keep them in sync with the master? Is there also a simple way like mysql replication? Is it feasible to have a slave servers which check the

Re: [Pdns-users] MySQL/MariaDb Scaling

2021-06-04 Thread Frank Louwers via Pdns-users
Hi, As Thomas said: your setup looks sane, and if it currently works for you, there's no need to change anything. If you do have zones that are getting hit by a random-subdomain-lookup attack, I would recommend to have a separate NS with a BIND or LMDB backend ready to serve only those domains

Re: [Pdns-users] MySQL/MariaDb Scaling

2021-06-03 Thread Thomas Mieslinger via Pdns-users
Hi, as it seems to work for you, why change. Sounds like you are using all modern technologies which are available. I run a setup for millions of zones which was designed when dnsdist was not yet written. Instead of separating dnsdist, pdns authoritative and mariadb on separate vms, I run maria

[Pdns-users] MySQL/MariaDb Scaling

2021-06-02 Thread Mailing Lists via Pdns-users
Hi all I run a reasonably sized PowerDNS setup (high millions of domains across a few instances). So far the way I have been scaling it is working fine but I would like to get some addition suggestions in case I missed something. When we need extra capacity currently its a matter of adding a dn