Btrfs vs the Docker Borganism

Laptop with 2 TB of SSD running btrfs on LUKS suddenly ran out of space. Noticed all the docker snapshots were like some sort of borganism, eating everything. Solution was either

1) Finicky docker+btrfs snapshot/dedupe management, or

2) Delete docker.

I chose 2).

Not that I could not do 1) (and in fact did a run-through to see how it went) or that I do not occasionally kind of appreciate the joy of tuning filesystem parameters. But it’s 2021 and I don’t want to have to do this on my working laptop. Personal filesystems should not require manual maintenance for basic functions, like preserving free space.

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