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Re: upgrading binary failed - execve - too long argument list

Maxim Dounin
April 28, 2021 05:14PM
Hello!

On Tue, Apr 27, 2021 at 12:35:58PM +0200, Charlie Kilo wrote:

> Hi everyone,
> i'm trying to upgrade an nginx-binary while running.
> When i do kill -s USR2 <pid>, i get the following error in the logs..
>
> 11:40:38 [alert] 52701#0: execve() failed while executing new binary
> process "/opt/sbin/nginx" (7: Argument list too long)
>
> Anybody knows what exactly is in those arguments ? We have ~ 20-55 worker
> processes if that might be related..
> nginx-version is 1.18.0, os: debian buster

The only notable thing I can think of is the list of open
listening sockets, which is passed in the NGINX environment
variable to the new process.

There should be plenty of space even with a lot of listening
sockets though, given the default limit of 2M on Linux. Even with
"listen ... reuseport", when a separate listening socket
is created for each worker process, it does not look like the
limit can be easily reached: 2M should be enough for about 300k
listening sockets, so with 55 worker processes it is about 5k
listening sockets with reuseport.

How many listening sockets do you have? Do they use "listen ...
reuseport" option? What "getconf ARG_MAX" and "ulimit -s" show on
your system? Any 3rd party modules (and what "nginx -V" shows)?

--
Maxim Dounin
http://mdounin.ru/
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Subject Author Posted

upgrading binary failed - execve - too long argument list

Charlie Kilo April 27, 2021 06:38AM

Re: upgrading binary failed - execve - too long argument list

Francis Daly April 28, 2021 08:18AM

Re: upgrading binary failed - execve - too long argument list

Maxim Dounin April 28, 2021 05:14PM

Re: upgrading binary failed - execve - too long argument list

Mathew Heard April 28, 2021 06:58PM

Re: upgrading binary failed - execve - too long argument list

Charlie Kilo April 30, 2021 02:30AM

Re: upgrading binary failed - execve - too long argument list

Charlie Kilo April 30, 2021 05:16AM

Re: upgrading binary failed - execve - too long argument list

Maxim Dounin May 04, 2021 11:54AM

Re: upgrading binary failed - execve - too long argument list

Mathew Heard May 04, 2021 08:44PM

Re: upgrading binary failed - execve - too long argument list

Charlie Kilo May 08, 2021 04:02AM

Re: upgrading binary failed - execve - too long argument list

Maxim Dounin May 09, 2021 11:28AM

Re: upgrading binary failed - execve - too long argument list

Charlie Kilo May 10, 2021 06:04AM

Re: upgrading binary failed - execve - too long argument list

itpp2012 May 10, 2021 06:53AM

Re: upgrading binary failed - execve - too long argument list

Charlie Kilo May 10, 2021 02:48PM



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