THPDFDocumentStringInternStatistics Record

MaxStringLength, MaxEntryCount, and MaxRetainedBytes hold the configured caps of the document string intern table

EntryCount, RetainedBytes, and ResetCount describe current occupancy and how often the table was reset

RequestCount, HitCount, MissCount, BypassCount, and ReusedBytes measure lookup traffic, with NameRequestCount, OperatorRequestCount, and ShortStringRequestCount breaking requests down by kind