[Koha-bugs] [Bug 16758] Caching issues in scripts running in daemon mode

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Tue Sep 6 09:40:24 CEST 2016


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16758

--- Comment #5 from Jacek Ablewicz <abl at biblos.pk.edu.pl> ---
(In reply to Jacek Ablewicz from comment #4)

> That should work fine IMO, without significant performance hit (as long as
> L2 is memcached).

But if L2 = Cache::Memory, this will be effectively just a null op.

This might happen e.g. if the caching system is not configured quite
consistently (due to MEMCACHED_* environment variables not exported by default
for system & maintenance scripts). I'm not sure if it's still an issue for
packaged debian installs or not (AFAIRC it was an issue at least in 3.22.*
about 4 months ago).

BTW, I'm wondering what is an order of starting koha-common && memcached in
debian packaged installs? If on server reboot indexer daemon gets started
before memcached is up and running, it will default to Cache::Memory as well,
even if the MEMCACHED_* variables are set up properly.

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