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<p class="MsoNormal">Hello!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">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).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Since that, we have sporadic timeouts (3s). On the nodes with more qps we see it more often.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">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 …?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Klaus<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-ligatures:none">-- <o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:none">Klaus Darilion, Head of Operations<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:none">nic.at GmbH, Jakob-Haringer-Straße 8/V<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:none">5020 Salzburg, Austria<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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