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<p class="MsoNormal">Hi <span lang="DE">Ondřej</span>!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I can test also the development branch. I prefer deb packages (do you have nightly builds?), but I can fallback to make&&make install<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal">KLaus<o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="DE">From:</span></b><span lang="DE"> Ondřej Surý <ondrej@isc.org>
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<b>Sent:</b> Thursday, December 5, 2024 8:36 PM<br>
<b>To:</b> Klaus Darilion <klaus.darilion@nic.at><br>
<b>Cc:</b> Klaus Darilion via bind-users <bind-users@lists.isc.org><br>
<b>Subject:</b> Re: Sporadic Timeouts after upgrading to bind9.20<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Klaus,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">we've identified an issue in the glue cache that have been causing drops in the performance.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Can you test a development branch or do you need fix on top of 9.20?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Ondrej<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">--<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">Ondřej Surý (He/Him)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><a href="mailto:ondrej@isc.org">ondrej@isc.org</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours.<o:p></o:p></span></p>
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<p class="MsoNormal">On 9. 9. 2024, at 10:39, Klaus Darilion via bind-users <<a href="mailto:bind-users@lists.isc.org">bind-users@lists.isc.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">As we still have several timeouts I downgraded our server to 9.18. If you know another workaround or need someone to test new version please let me know.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Thanks<o:p></o:p></p>
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<p class="MsoNormal">Klaus<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="DE">From:</span></b><span class="apple-converted-space"><span lang="DE"> </span></span><span lang="DE">Klaus Darilion <<a href="mailto:klaus.darilion@nic.at">klaus.darilion@nic.at</a>><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Saturday, September 7, 2024 12:36 AM<br>
<b>To:</b><span class="apple-converted-space"> </span>Klaus Darilion <<a href="mailto:klaus.darilion@nic.at">klaus.darilion@nic.at</a>>; Ondřej Surý <<a href="mailto:ondrej@isc.org">ondrej@isc.org</a>><br>
<b>Cc:</b><span class="apple-converted-space"> </span>Klaus Darilion via bind-users <<a href="mailto:bind-users@lists.isc.org">bind-users@lists.isc.org</a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>RE: Sporadic Timeouts after upgrading to bind9.20</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Correcting myself: event with { reuseport no; }; and UV_THREADPOOL_SIZE=12 still timeouts happen, but the situation improved a lot.<o:p></o:p></p>
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<p class="MsoNormal">Regards<o:p></o:p></p>
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<p class="MsoNormal">Klaus<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="DE">From:</span></b><span class="apple-converted-space"><span lang="DE"> </span></span><span lang="DE">bind-users <<a href="mailto:bind-users-bounces@lists.isc.org"><span style="color:#0563C1">bind-users-bounces@lists.isc.org</span></a>><span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Klaus Darilion via bind-users<br>
<b>Sent:</b><span class="apple-converted-space"> </span>Saturday, September 7, 2024 12:21 AM<br>
<b>To:</b><span class="apple-converted-space"> </span>Ondřej Surý <<a href="mailto:ondrej@isc.org"><span style="color:#0563C1">ondrej@isc.org</span></a>><br>
<b>Cc:</b><span class="apple-converted-space"> </span>Klaus Darilion via bind-users <<a href="mailto:bind-users@lists.isc.org"><span style="color:#0563C1">bind-users@lists.isc.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>RE: Sporadic Timeouts after upgrading to bind9.20</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="DE">From:</span></b><span class="apple-converted-space"><span lang="DE"> </span></span><span lang="DE">Ondřej Surý <<a href="mailto:ondrej@isc.org"><span style="color:#0563C1">ondrej@isc.org</span></a>><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Friday, September 6, 2024 4:08 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Klaus Darilion <<a href="mailto:klaus.darilion@nic.at"><span style="color:#0563C1">klaus.darilion@nic.at</span></a>><br>
<b>Cc:</b><span class="apple-converted-space"> </span>Petr Špaček <<a href="mailto:pspacek@isc.org"><span style="color:#0563C1">pspacek@isc.org</span></a>>;<span class="apple-converted-space"> </span><a href="mailto:bind-users@lists.isc.org"><span style="color:#0563C1">bind-users@lists.isc.org</span></a>;
Klaus Darilion via bind-users <<a href="mailto:bind-users@lists.isc.org"><span style="color:#0563C1">bind-users@lists.isc.org</span></a>><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: Sporadic Timeouts after upgrading to bind9.20</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Are your running with options { reuseport no; }; ?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">You might want to try that.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">After setting reuseport no; (and UV_THREADPOOL_SIZE=12) I have not seen any timeouts anymore.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Anyway, this:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span lang="DE">TID 8917:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="DE">#0 0x00007b385aa6daa9 cds_lfht_destroy - /usr/lib/x86_64-linux-gnu/liburcu-cds.so.8.1.0</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">caught my eye. Are the zones you are hosting particularly large on GLUE?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I don’T know and I have not checked yet. One of the affected zones is .ch. You could download the zone from<span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><a href="https://zonedata.switch.ch/" target="_blank" title="https://zonedata.switch.ch/"><span style="color:#0563C1">https://zonedata.switch.ch/</span></a><span class="apple-converted-space"> </span>And
they are using NSEC (not NSEC3 as I have written before)</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Also if you have more eu-stack, can you confirm this is the pattern now?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">After setting reuseport no; I do not have stack-traces any more. But if that would help you I can undo the workaround next week to collect traces.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Thanks<o:p></o:p></p>
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<p class="MsoNormal">Klaus<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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