[Koha-bugs] [Bug 16079] Retrieving system preferences from database via DBIx is not fast enough

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16079

--- Comment #10 from Jacek Ablewicz <abl at biblos.pk.edu.pl> ---
"Unusable" may sound a bit like an overstatement, but indeed some features
(like OPACLocalCoverImages, Bug 16309) in 3.22+ are pretty much unusable
without plack. 
Penalty for having non-plack config is somewhere around 0.8 - 1.5 sec on
average (per script run), and growing - not to mention that 80-90% of CPU
cycles are being wasted in non-plack setups. Koha without plack is very
environmentally unfriendly ;) (*)

*) unless you are running Koha in France
(https://upload.wikimedia.org/wikipedia/commons/9/9b/Nuclear_power_percentage.svg)

OPACLocalCoverImages is kind of the special case, when 1 catalogue search
triggers ~20 runs of the opac/opac-image.pl. But there are many other places in
Koha when 1 script triggers a lot of other scripts server-side (eg. all that
ajax-ish kind of stuff in circulation, etc.) so it's not just this particular
feature being affected.

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