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

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

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

Marcel de Rooy <m.de.rooy at rijksmuseum.nl> changed:

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--- Comment #8 from Marcel de Rooy <m.de.rooy at rijksmuseum.nl> ---
Created attachment 60858
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=60858&action=edit
Bug 16758 - Caching issues in scripts running in daemon mode

As L1 cache does not have expiration mechanism, scripts running
in daemon mode (rebuild_zebra.pl -daemon, sip server ?, ...) would
not be aware of any possible changes in the data being cached
in upstream L2 cache.

This patch adds ->flush_L1_caches() call in rebuild_zebra.pl
inside daemon mode loop.

To test:

1) apply patch
2) ensure that rebuild_zebra.pl -daemon is still working properly,
without any noticeable performance degradation
3) stop memcached daemon and try to run rebuild_zebra.pl -daemon
again: there should be a warning emitted stating that the script
is running in daemon mode but without recommended caching system

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