Emby metadata confusion

[DCCXVIII 0]

So I have the following settings enabled in my emby server in my libraries: Metadata readers enabled (nfo), metadata downloaders enabled (themoviedb and thetvdb). With that, my clients were able to get the metadata they required. Note that none of this added any files to my media library folders. Emby just stored it in its appdata folder internally. 

However, recently I enabled the metadata download settings in radarr and sonarr and suddenly all my library folders have been flooded with additional metadata files. Does anyone know if these files are helpful to emby in any way? The only things I've actually noticed is that soon after enabling this setting in sonarr/radarr, emby unilaterally decidded to create a collections library (which I actually like). I therefore assume emby was provided more metadata information by sonarr/radarr that allowed for the creation of this collections library? Is that what happened?

Is there any duplication here? Should I stop the metadata downloads coming from sonarr/radarr? Or should I stop emby's own metadata download and let it rely soley on the metadata provided from sonarr/radarr?

Sorry for all the questions. Just trying to figure all this out. 

Thanks!

[Luke 42942]

hi, yes emby will use those metadata files if present. there were probably nfo files created containing collections and Emby imported those.

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Is there any duplication here? Should I stop the metadata downloads coming from sonarr/radarr? Or should I stop emby's own metadata download and let it rely soley on the metadata provided from sonarr/radarr?

I would say just let Emby handle it and turn off in the other app.