Slow batch updates on network share

Hi,

When doing some batch updates with files located on a NAS, it is awfully slow (5 minutes for 14 Tracks).
When doing it on a single file, it is obviously slower than on a local file (this is expected), but acceptable 1 second.

Hope there is a solution for this

Great work porting this to Mac.

This is quite long, but also depends on your connection to the NAS and the type of file and changes you're performing.

With some file formats, Mp3tag needs to create temporary files which are then re-copied on change. This often happens when you add cover art. If the next time you just change a character, it should then be faster.

Can you give some additional details on your system, the NAS and it's connection to your Mac, and the type of files you're working with?

Working with

MacBook pro - WIFI (5Ghz) - Very good signal
NAS - Synology 920+ on 1Gb network

Trying to change the disc number on MP4 files (ALAC lossless files)

Thank you! Can you also tell me the macOS version, Mp3tag version and the average size of the MP4 ALAC files?

OS X BigSur
14 Tracks 451MB (32 MB AVg)

Thanks for investigating

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I've tried to reproduce this here on a DS220+ without success — performance is way better with ALAC files of comparable sizes. I'm mounting the network drive via SMB.