Michael created this task.
Michael added projects: wdwb-tech, Wikidata, Wikidata-Campsite
(Wikidata-Campsite-Iteration-∞).
Restricted Application added a subscriber: Aklapper.
TASK DESCRIPTION
Create slim service(s) that abstracts away getting a new database connection
via LoadBalancer/LBFactory.
This service should only handle 1: getting the connection and 2: waiting for
replication. And //maybe// handling for some edge cases //iff// there are some
in the existing usage.
We want two slightly different services/interfaces/implementations for Repo
and Client connections
- So we can use them for type-hinting
- Their public methods should likely be the same, they will only differ in
their constructor
- Repo connections will have their domain configured, but otherwise fixed
- Client connections will have to be given the domain dynamically depending
on the wiki
- We want to provide the load groups `from-repo` and `from-client` for every
connection
- We may want to provide more load-groups in the future
See https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/602823
for an initial draft in this direction.
This service should (ultimately) be extracted into a separate package as
proposed by ADR-14 (not yet accepted).
NOTE: LBFactory/Loadbalancer have some internal caching -> we need to make
sure we understand how that works, otherwise unexpected things may happen. (Ask
@Ladsgroup if confused)
See parent task for more context
TASK DETAIL
https://phabricator.wikimedia.org/T283245
EMAIL PREFERENCES
https://phabricator.wikimedia.org/settings/panel/emailpreferences/
To: Michael
Cc: Michael, Aklapper, Ladsgroup, Invadibot, maantietaja, Akuckartz, Iflorez,
alaa_wmde, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer,
_jensen, rosalieper, Scott_WUaS, Jonas, Wikidata-bugs, aude, Lydia_Pintscher,
Addshore, Mbch331
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