I’ve got some preliminary research that suggests that full-text searches with FIELD operators (e.g. “FIELD myNumber > 2”) are significantly slower in ND6 versus R5. It’s the actual search that seems slower – a NotesDatabase.FTSearch() call simply takes 30%-40% longer than in R5. I’m not certain if general searches are slower (e.g. “John Smith”), but FIELD-operator searches seem quite a bit slower.
The new GTR engine is supposed to make boolean searches significantly faster, and I would think that general comparison searches would possibly be faster as well (or at least not degrade in performance). I’m considering opening a ticket with Lotus Support once I’ve got some concrete, reproducible behavior but for now I’ll ask: Has anyone else noticed slower response in ND6?
On a side note, I also have some preliminary research that seems to indicate that searches take up more memory than they did in R5. I have a few searches that won’t even run now (“Memory is Low for Indexing and Searching”) but will run fine on the same database on an R5 (5.0.11) server.