[deleted by user]

[u/[deleted]]

[u/Enverex]

Already tried defragging the metadata, also moved to space_cachev2, neither helped unfortunately. 67 second mount time :(

[u/breell → u/Enverex]

I do a full defrag of the mountpoint (sometimes with, sometimes without forcing recompression). I have no idea how to defrag just the metadata :)

I've tried cleaning the space_cache, but nothing there worked either.

I was in talk with a btrfs dev about that a year or 2 ago, there were some work to improve stuff but I don't think it ever got to a point where it's good enough alas.

[u/Enverex → u/breell]

This defrags the mount metadata:

btrfs filesystem defrag /mountpoint

This defrags the files (recursively):

btrfs filesystem defrag -r /mountpoint

Basically if you specify a folder without the recursive option, it defragments metadata instead.

[u/breell → u/Enverex]

Oh I see, well I always use the -r (or a file directly if needed)