From: Ondřej Surý <ond...@isc.org>
Sent: Friday, September 6, 2024 4:08 PM
To: Klaus Darilion <klaus.daril...@nic.at>
Cc: Petr Špaček <pspa...@isc.org>; bind-users@lists.isc.org; Klaus Darilion via
bind-users <bind-users@lists.isc.org>
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Are your running with options { reuseport no; }; ?
You might want to try that.
After setting reuseport no; (and UV_THREADPOOL_SIZE=12) I have not seen any
timeouts anymore.
Anyway, this:
TID 8917:
#0 0x00007b385aa6daa9 cds_lfht_destroy -
/usr/lib/x86_64-linux-gnu/liburcu-cds.so.8.1.0
caught my eye. Are the zones you are hosting particularly large on GLUE?
I don’T know and I have not checked yet. One of the affected zones is .ch. You
could download the zone from https://zonedata.switch.ch/ And they are using
NSEC (not NSEC3 as I have written before)
Also if you have more eu-stack, can you confirm this is the pattern now?
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.
Thanks
Klaus
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