MediaWiki version: 1.35.0-wmf.30
Main slot of revision 955427845 not found in database!
Instances of this error increased dramatically after rolling the train to group2, to ~30-40 a minute:
I'm unclear on user-facing impact.
There's been a trickle of these; I was assuming they fell under an existing bug, probably T212428, but I now suspect I was mistaken.
Uptick caused by a9b073fc6214a03e41262aa605537525b3963cf8 - failures were previously ignored within Revision::getContent (just returned null if encountering a RevisionAccessException)