Problem/Motivation
Cache tags have a cost to check and should only be used when they are needed (dynamic cache variations). This does not seem to be the case here.
See #3334489: ChainedFastBackend invalidates all items when cache tags are invalidated for context.
Comments
Comment #2
berdirComment #3
berdirDuplicate of #3335768: Manually clear cache keys from plugin managers with finite variations instead of using cache tags