I’ve seen lots of posts about stuff with .plexignore. I didn’t see this asked though and was just curious is this was a valid use case.
Say I have a folder of tv shows, and, a certain show that I know I have all the episodes, and that show has ended. Is it beneficial to add that show to a .plexignore that during scans, Plex won’t attempt to check those for changes? Would that help scan speed if it knows it can ignore certain directories that won’t have changed?
That show will vanish from your library.
So: no this is not the way to exclude “frozen” shows from scanning.
Ok cool. I’m assuming you would have mentioned it if there was but, is there a way to do that? To inform Plex that it doesn’t have to scan some folders?
If you organize your shows and movies properly (each having its own top-level folder and season folders), that scan shouldn’t be impacted much. The 1st check Plex does during scan is comparing if a folder has been changed since the last scan – if there’s been no change, Plex will not scan the folder’s content (which is the heavy lifting anyway).
There’s no means in Plex to exclude certain folders from scans.
Unfortunately this doesn’t work that well on anything that isn’t a Windows file server. AFAIK
Cloud storage, cheap NAS with bad SAMBA configuration, mergerFS etc.pp. are all not that well suited in this regard.
Otto, you’re probably thinking about
What tom is saying is that the scanner will still go through the entire library, but it won’t check the individual files if nothing’s changed within the folder. That is also my experience with my current cloud storage setup. Scanning my rather large TV library is super fast, as it only stops for new stuff.
I think we’re talking about the same thing and I’m afraid Otto is probably right that not all platforms or file server protocols support that kind of information in all situations.
If you’re both talking about partial scans, then yes 
That’s obviously not going to work over SMB.
But there’s also situations where things as simple as comparing folder dates will not work properly (e.g. if the file server isn’t rolling up file update timestamps in the parent directory).
Right. I’m just saying that a scan can still be super fast, even without a working “partial scan”. So, basically, I’m confirming what you said in your reply to the OP
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