I’m looking for some way to clean up the contents of /var/lib/docker/overlay (or /var/lib/docker/overlay2 with overlay2 - I run both, but on different nodes, both seem to have this issue). Is there any way to map the contents in there to what owns it? We have some CI runners that nightly do the eq…

Just freed 213Gb… Thank you for advice

Total reclaimed space: 9.126GB Thank you

Docker by default does not limit the log file size, a small docker at my company runs over a year and accumulates 70Gb of log and blows up our disk. Instead of deleting the log file and doing some magic tricks, you should always keep the log file small. I list below some method to keep your Docker’…

@dattran2346 Just something to note - the docker-compose docs are showing the max-size and max-file as being under the options block. <service_name> logging: options: max-size: "10m" max-file: "5"

I had the same error and this command worked perfectly: docker system prune --all --volumes --force Total reclaimed space: 82.5GB Thanks!

That find command helped me to find my problem: /tmp full inside the container. The solution for me was to empty it: docker exec -it <container> bash -c 'rm -rf /tmp/.*' Thank you!

To investigate you may need enter inside the container and run du. My problem was that /tmp inside the container was full. The solution for me was to empty it (run outside the container): docker exec -it <container> bash -c 'rm -rf /tmp/.*' Warning: this solution may not work for every case, and…

I tried docker system prune -a No luck… Checked my log sizes du -shc /var/lib/docker/containers/*/*.log they were already fine since I use logging: options: max-size: "10m" max-file: "5" then checked my overlay2 folders du -shc /var/lib/docker/overlay2/*/diff found 182G being used !…

[image] holmslice86: docker system prune -a That command does not touch running containers. [image] holmslice86: found 182G being used ! So I identified the major offenders: This is where the overlay layers are. Including the container layers. If you have logs inside the containers a…

Some way to clean up / identify contents of /var/lib/docker/overlay

General

rimelek (Ákos Takács) June 13, 2022, 3:03pm 55

I must add that it will remove everything, including volumes. Run it only when you don’t have anything to keep or you have a backup already. I guess you know that, but other Docker users may try the commands they find (not a good idea though) and they lose everything.

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Some way to clean up / identify contents of /var/lib/docker/overlay

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