r.Lumen.RadianceCache.NumFramesToKeepCachedProbes
VarUnreal Engine Var console variable.
rLumenRadianceCacheNumFramesToKeepCachedProbes
Description
Number of frames to keep unused probes in cache. Higher values enable more reuse between frames, but too high values will cause filtering from stale probes.
Usage
r.Lumen.RadianceCache.NumFramesToKeepCachedProbes [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

