https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19523
Bug ID: 19523
Summary: Koha::Cache changes not passed to all plack workers
with in-memory caching.
Change sponsored?: ---
Product: Koha
Version: master
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P5 - low
Component: Architecture, internals, and plumbing
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
REPRODUCE:
- $KOHA_CONF shouldn't have any <memcached_* -definitions. This triggers
in-memory cache usage.
- plack workers is atleast 2
- Change some easily visible syspref, such as 'languages'. The syspref change
applies only to the worker thread where the change was made. Other worker
threads keep using the old syspref.
- Observer that 50% of time the old syspref is used. Other times the new
syspref is used.
- Reduce plack workers to 1. Observe no issues with syspref change taking
effect.
Using memcached solves this problem.
It is still useful to fix it for those who don't want to use memcached.
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