[Koha-bugs] [Bug 33898] background_jobs_worker.pl may leave defunct children processes for extended periods of time

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33898

Alessandro Tedesco <alessandro.tedesco.it@gmail.com> changed:

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--- Comment #12 from Alessandro Tedesco <alessandro.tedesco.it@gmail.com> ---
Hi,

I encounter the same issue.

In my case, Koha 22.11.15 (Debian Package) on Ubuntu 22.04.1(MariaDB +
RabbitMQ), the issue occurs when I do:

>From Koha Staff Interface
1) Stage records for import (everything goes fine)
2) Manage staged MARC records (everything goes fine)

FromShell
3) # ps aux | grep 'Z'
find the "background_jobs" as Zombie <defunct> with a PID (e.g. 54679)

>From Koha Staff Interface
4) Stage records for import (everything goes fine)
5) Manage staged MARC records (everything goes well)

FromShell
6) # ps aux | grep 'Z'
find the "background_jobs" as Zombie <defunct> with another PID (e.g. 54679)

So, the fact that "background_jobs" remains a zombie does not actually prevent
other processes from operating in Koha (simply once the new process has
started, that zombie is killed and a new zombie is created).

A reboot of the server kills the zombie process.

Since it seems like a problem that doesn't affect everyone, could it be
something related to the Server settings?

Thanks

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