Klaus, is that recursive or authoritative? Anything unusual like RPZ or catz?
Try snapshoting the call stack with eu-stack and save the one when the timeout happens. Ondrej -- Ondřej Surý — ISC (He/Him) My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours. > On 4. 9. 2024, at 19:06, Klaus Darilion via bind-users > <bind-users@lists.isc.org> wrote: > > > Hello! > > On our production name servers we have check every 30s if bind is alive by > sending a SOA query to bind. Today I upgraded a few nodes from 9.18.x (x > between 17 and 27) to 9.20.1 (Ubuntu 24.04 with packages from ISC ppa). > > Since that, we have sporadic timeouts (3s). On the nodes with more qps we see > it more often. > > Before I dig into the problem, are there any specific changes to 9.20 that I > should look at? Maybe some default value changes for socket buffers, thread > handling …? > > Thanks > Klaus > > -- > Klaus Darilion, Head of Operations > nic.at GmbH, Jakob-Haringer-Straße 8/V > 5020 Salzburg, Austria > > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from > this list > > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users
-- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
