Probably incorrectly setup, edit time increases by tenfold, and root cause of 502 errors.
There are instructions to set it up correctly: https://www.mediawiki.org/wiki/Extension:StopForumSpam
Related:
- 502's: https://phabricator.wikimedia.org/T309070
- ElasticSearch errors: https://phabricator.wikimedia.org/T312801
- Production warning: [RedisBagOStuff] Rejected set() for X due to snapshot lag (late regeneration): https://phabricator.wikimedia.org/T310121
As part of this task, investigate:
- How to turn on caching (prerequisite, we don't have it)
- Contact author to help figure out how best to approach this with our use case
- Generally go through instructions