> Op 30 dec. 2022 om 11:55 heeft Giorgio Lardone via Pdns-users > <pdns-users@mailman.powerdns.com> het volgende geschreven: > > Hello! > > I have several powerdns servers installed, but only one is behaving > strangely. > > The operating system is Debian 11 with the latest stable version of > PowerDNS installed (4.7.3) and MySQL (MariaDB) backends.
Are you running MariaDB 10.6.11? If so, see my mailing list post from earlier. > The server has 2 CPU Cores and 4 GB RAM. > > I see that when the DNS request load increases the server CPU goes to > 100% for the mysql and it remains so even for a few hours, without an > apparent reason, since the DNS requests are very low (at most 500 > requests per second) and in any case the CPU usage never drops below > 50/60%. > > I also tried to connect the server to an external database, but PowerDNS > doesn't connect and it's not a permission or network problem, because > trying a mysql connection from the terminal everything works perfectly. > I also tried installing another parallel test server (same datacenter, > same network) and the external database connection works fine. > > Do you have any idea why it behaves like this? > > Thank you! > > Regards, > > Giorgio > _______________________________________________ > Pdns-users mailing list > Pdns-users@mailman.powerdns.com > https://mailman.powerdns.com/mailman/listinfo/pdns-users > _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com https://mailman.powerdns.com/mailman/listinfo/pdns-users