[Koha-bugs] [Bug 31074] Cached plugin code is used in Koha even after changes to plugin (install/upgrade/uninstall)

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31074

--- Comment #33 from David Cook <dcook at prosentient.com.au> ---
(In reply to Victor Grousset/tuxayo from comment #32)
> In that case of multi-tenancy with shared workers, allowing plugin
> management via UI would be a no anyway, right?

Everything would be configuration driven, so you could still have people upload
plugins, and Koha could put them in the right place.

(Shared workers would all belong to the same Linux system user of course, which
would reduce the Linux level auth separation between Koha instances.)

> "it would cut out for everyone" => just a few seconds of wait while the
> system restarts many workers but other than that it's said to be graceful so
> no aborted request processing IIUC

Yes, it should be graceful, so no aborted request processing, but the length of
the wait is variable. 

For instance, if you have 8 CPUs and 400 workers, and each worker needs 100%
CPU for a few seconds at startup then you're going to have a long wait before
the full system is operational.

(Some day when I have more time I'm going to look again at reducing CPU
consumption at startup time for the Starman workers...)

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