Sluggishnes of system and weird journal errors

Issues & Assistance
4

A new setup of the system is not necessary.

First of all, backup your data.
Stop docker.

You can delete all docker subvolumes:

After that I had some errors with docker, but simply uninstall docker, delete /var/lib/docker/ and install docker.
And then before starting docker for the first time stick to the solution.

Adding to that, after that a full btrfs balance might be good.

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