THPDFObjectStreamCacheInfo Record

ContainerCount, IndexedObjectCount and MaterializedObjectCount describe object stream containers and their members

CacheHitCount and CacheMissCount report lookup outcomes, whilst CachedBytes, MaximumBytes and PeakCachedBytes report the byte budget in use, configured, and peaked

EvictionCount and ReloadCount report cache churn

SliceViewCount and SliceViewBytes count zero-copy member views handed to the parser and the member bytes they covered

THotPDF.GetLoadedObjectStreamCacheInfo · Bounded object stream cache overview