Whether it is allowed to load in missing mips for fast-force-resident assets ASAP. Useful to accelerate force-resident process but risks disturbing streaming metric calculation. Fast-force-resident mips can't be sacrificed even when overbudget so use with caution.
Usage
r.Streaming.AllowFastForceResident [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.