o: Klaus Darilion mailto:klaus.daril...@nic.at>>
> Cc: Klaus Darilion via bind-users <mailto:bind-users@lists.isc.org>>
> Subject: Re: Sporadic Timeouts after upgrading to bind9.20
>
> Hi Klaus,
>
> we've identified an issue in the glue cache that have been caus
Darilion
Cc: Klaus Darilion via bind-users
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Hi Klaus,
we've identified an issue in the glue cache that have been causing drops in the
performance.
Can you test a development branch or do you need fix on top of 9.20?
Ondrej
--
Ondřej
-users
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Hi Klaus,
the bind-dev repository is now at 9.21.2-302-gebe0db5daad-1 as I remember
you are using Debian on the servers, right?
Could you test that version if you can see the same timeouts you've been
encountering before?
T
> Klaus
>
> From: Klaus Darilion mailto:klaus.daril...@nic.at>>
> Sent: Saturday, September 7, 2024 12:36 AM
> To: Klaus Darilion mailto:klaus.daril...@nic.at>>;
> Ondřej Surý mailto:ond...@isc.org>>
> Cc: Klaus Darilion via bind-users <mailto:bind-use
ject: Re: Sporadic Timeouts after upgrading to bind9.20
Hi Klaus,
we've identified an issue in the glue cache that have been causing drops in the
performance.
Can you test a development branch or do you need fix on top of 9.20?
Ondrej
--
Ondřej Surý (He/Him)
ond...@isc.org<mailto:ond...@isc.
lease let me
> know.
>
> Thanks
> Klaus
>
> From: Klaus Darilion
> Sent: Saturday, September 7, 2024 12:36 AM
> To: Klaus Darilion ; Ondřej Surý
> Cc: Klaus Darilion via bind-users
> Subject: RE: Sporadic Timeouts after upgrading to bind9.20
>
> Correcting myself:
-users
Subject: RE: Sporadic Timeouts after upgrading to bind9.20
Correcting myself: event with { reuseport no; }; and UV_THREADPOOL_SIZE=12
still timeouts happen, but the situation improved a lot.
Regards
Klaus
From: bind-users
mailto:bind-users-boun...@lists.isc.org>> On
Behalf Of
-users
Subject: RE: Sporadic Timeouts after upgrading to bind9.20
From: Ondřej Surý mailto:ond...@isc.org>>
Sent: Friday, September 6, 2024 4:08 PM
To: Klaus Darilion mailto:klaus.daril...@nic.at>>
Cc: Petr Špaček mailto:pspa...@isc.org>>;
bind-users@lists.isc.org<mailto:bin
From: Ondřej Surý
Sent: Friday, September 6, 2024 4:08 PM
To: Klaus Darilion
Cc: Petr Špaček ; bind-users@lists.isc.org; Klaus Darilion via
bind-users
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Are your running with options { reuseport no; }; ?
You might want to try that
From: Ondřej Surý
Sent: Friday, September 6, 2024 4:10 PM
To: Klaus Darilion
Cc: Klaus Darilion via bind-users
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Hmm, what is the churn in the zones? How often there’s IXFR and how large those
changes are?
Every 30 minutes. See logs
As there just was another IXFR, for the records, here is another trace with
debug symbols installed. Thanks
Klaus
PID 1605200 - process
TID 1605200:
#0 0x7b8ceb529ee0 epoll_pwait - /usr/lib/x86_64-linux-gnu/libc.so.6
#1 0x7b8cec52c9fa - 1 - /usr/lib/x86_64-linux-gnu/libuv.so.1.0.0
#
Špaček ; bind-users@lists.isc.org; Klaus Darilion via bind-users
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Ah, you’ve confirmed my suspicions: https://gitlab.isc.org/isc-projects/bind9/-/issues/4898
See https://gitlab.isc.org/isc-projects/bind9/-/issues/4898#note_487237 for
I just happened again. I have not yet installed the debug symbols.
I query the SOA every second with 1 second timeout. Here are the traces. I
happened a few times in a row.
Below are the traces.
I noticed the timeout happened during Bind9 starting an inbound IXFR:
Sep 06 07:20:55 named[1605200]
Yup, you need dbgsym packages?
https://ubuntu.com/server/docs/debug-symbol-packages
https://wiki.ubuntu.com/DebuggingProgramCrash#Installing_dbgsym_packages_from_a_PPA
--
Ondřej Surý — ISC (He/Him)
My working hours and your working hours may be different. Please do not feel
obligated to reply
On 06. 09. 24 9:04, Klaus Darilion via bind-users wrote:
I play around with eu-stack. When I call eu-stack -p 1605200 -v (during
normal operations) the stacktrace looks meaningless to me (See below).
Do I need a certain parameter or do I have to install debug symbols?
Seems fine to me - you j
-Haringer-Straße 8/V
5020 Salzburg, Austria
From: Ondřej Surý
Sent: Wednesday, September 4, 2024 7:23 PM
To: Klaus Darilion
Cc: bind-users@lists.isc.org
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Klaus,
is that recursive or authoritative? Anything unusual like RPZ or catz?
Try
> 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
> mor
Darilion, Head of Operations
nic.at GmbH, Jakob-Haringer-Straße 8/V
5020 Salzburg, Austria
From: Ondřej Surý
Sent: Wednesday, September 4, 2024 7:23 PM
To: Klaus Darilion
Cc: bind-users@lists.isc.org
Subject: Re: Sporadic Timeouts after upgrading to bind9.20
Klaus,
is that recursive or authoritative
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
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 q
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