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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Hi,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>PowerDNS Auth Server 4.3.0 with PostgreSQL backend<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I’m facing the fact, that sometimes the servfail-packets counter increases and i would debug this and find the reason why PowerDNS sends out a „servfail“ packet.<o:p></o:p></p><p class=MsoPlainText>Actually today the counter increased from 0 to 2 and i don’t know why!<o:p></o:p></p><p class=MsoPlainText><a href="https://doc.powerdns.com/authoritative/performance.html#servfail-packets">https://doc.powerdns.com/authoritative/performance.html#servfail-packets</a> tells me, that this is due to a database problem.<o:p></o:p></p><p class=MsoPlainText><a href="https://doc.powerdns.com/authoritative/performance.html#ring-buffers">https://doc.powerdns.com/authoritative/performance.html#ring-buffers</a> tells me that the servfail-queries ring-buffer shows which queries have been causing servfails.<o:p></o:p></p><p class=MsoPlainText>But when i look at this ring-buffer (server:8081/?ring=servfail-queries) there are no entries – it’s empty.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>can someone please explain, what am i missing or not understanding correctly?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I noticed this behaviour for a long time and over different versions (4.1, and 4.2).<o:p></o:p></p><p class=MsoPlainText>Last time i asked, there was no answer: <a href="https://mailman.powerdns.com/pipermail/pdns-users/2019-February/025767.html">https://mailman.powerdns.com/pipermail/pdns-users/2019-February/025767.html</a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Thanks!<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Regards<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>MK<o:p></o:p></p></div></body></html>