Docker overlay2 folder. This guide explains a clean way to remove unused data from Docker to free up space on your Linux system. json file. 3GB size. In your case the data-root is /var/lib/docker and your storage driver is overlay2, so these data you seem to not have mounted a different filesystem into that path. It is also not advised to remove only the overlay directory as it may impact existing containers. Is there any way to map the contents in there to what owns it? We have some CI runners that nightly do the equivalent of: docker rm -vf $(docker ps -aq) docker rmi -f $(docker images -aq) docker volume Oct 4, 2023 · Hi, We are deploying a python based web application on a remote server. That's done with docker prune and there are other options to that command to prune more data. json file using a text editor: Replace “/path/to/new/location/docker” with the path to the new location of the overlay2 directory. Jan 13, 2025 · The overlay2 folder contains all image layers, and all container filesystems including the write layer of containers. Since the external mounted drive was 100% full, only used by the single container, and within the overlay2 folder the largest folder had some folders in there that were named roughly svn-dump-date. Running docker system df … Dec 14, 2021 · I'm running docker's environment with two containers. Apr 3, 2017 · 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). May 9, 2023 · In this guide, I will show you how I was able to address the issue and reclaim system disk space consumed by unused Docker objects stored in the overlay2 directory, on a Linux server. I got some docker containers running on AWS EC2, the /var/lib/docker/overlay2 folder grows very fast in disk size. If the issue was the /var/lib . Jan 19, 2023 · So what’s the exact question here? If you pull image or create containers it will store the date in the storage driver folder inside the data-root folder. Feb 23, 2023 · Yes, you can change the location of the Docker overlay2 storage directory by modifying the daemon. In the overlay2 subdirectory, we can explicitly locate the different filesystem layers for images and containers. Bad image design or configuration can lead to excessive storage use: Sep 26, 2022 · Docker stores the images, containers, and local named volumes under /var/lib/docker and each layer of an image is a separate folder within the /usr/lib/docker/overlay2/ folder. May 23, 2024 · By regularly removing unused Docker objects, monitoring disk space usage, and optimizing Docker images, you can keep the /var/lib/docker/overlay2 directory at a manageable size and ensure smooth operation of your Docker environment. When the docker is down (docker-compose down) the overlay2 folder is 2. I'm wondering if it is safe to delete its content? or if docker has some kind of command to free up some disk usage. I noted the overlay2 folder size is too big. Here’s how to do it: Open or create the daemon. So either mount a different filesystem into /var/lib/docker or change the Please be aware that docker prune commands do not clean /var/lib/docker/overlay2 directory. Recently the disk usage have been increasing rapidly, and i found out that /var/lib/docker/overlay2 folder is using 80GB. When the container Jul 17, 2020 · The typical answer for most people when overlay2 is too large is to run a cleanup, pruning stopped containers and images that have been untagged (replaced with a newer tag). For more details on cleaning this folder in general, see "Is it safe to clean docker/overlay2/". dpsy qzfsyyhe cjju nsehx hzaoeenm cxw cirv enybi awfoc nfpg