docker info Docker on WSL2 is actually. You can join the Windows Insiders Program to get the latest preview builds. I see no (easy) way to extend this. But moving on to more exciting news let's run docker info. It does not solve the original issue but it's a quick way to a fresh start. Are you running inside a virtualized Windows e.g. wsl --unmount The disks paths are available under the ‘DeviceID’ columns. All the tools needed to build or run kind work in WSL2, but some extra steps are needed to switch to WSL2. Docker will even tell you how much space it’s managed to reclaim. The next step is to look at the images list and remove those that you don’t need anymore. Test #1 that simply opens and closes JDBC connections is 42% slower for Docker. It'll remove. I just symlinked ~\AppData\Local\Docker\wsl\data to a folder on a different partition/drive, and moved the VHDX. Leave a Reply Cancel reply. So while it is still quite large, pruning resources that were older than 10 days made quite a big difference in how much the virtual disk could be optimized. Pulling the container from Docker Hub went fast but Podman took a very long time during the Storing signatures phase. The image has around 23GB of size when compressed and 62GB after decompressing. When I'm done with that workload, I have to: This is annoying since it basically means that my system backups include a huge .vhdx file that is mostly empty. @triump2020 Correct. The WSL2 disk management is definitely a pig. My yocto builds require slightly more space than this and they have to be on an ext3/4 partition so I can not use the /mnt/c or other NTFS partitions. Feel free to reach out to me on Twitter or LinkedIn. I was fine with purging my system of docker since I wasn’t actively using it and could bring it back later, and this AskUbuntu post was helpful for collecting the steps to completely uninstall it. My use is for docker's WSL2 integration, and the need to export and restore large data volumes (>250GB). Also, it doesn't appear to re-use released disk space in the .vhdx when files are deleted... it seems to prefer to grow the file rather than re-use existing empty space. I occasionally have workloads that consume large amounts of disk space for temporary use in /tmp. Windows 10: Docker does not release disk space after deleting all images and containers hot 52 Unable to start Hyper-V VM: 'DockerDesktopVM' failed to start. Reduce WSL2 disk size. That is, the WSL2 file system shouldn't feel like it was a static volume bound to a file on the host (although it is). The docker and wsl 2 is start by default after I boot my computer, however my memory and disk space is eaten to over 90% without doing any other work. There is no spam, and I'll never share your email. The Docker daemon pulled the "hello-world" image from the Docker Hub. In the Dashboard / Troubleshoot - there is a Clean / Purge Data option which will let you select what do you want to remove. Docker version 1.11 or later is installed and running. Cleaning Up Docker Disk Space In WSL2. The .vhdx file can be moved by using the --export and --import options: https://docs.microsoft.com/en-us/windows/wsl/reference ; MicrosoftDocs/WSL#412. I have a 256Gb SSD that I struggle to keep under the 25% free space recommendation for drives of this type. The default partition size should have some connection to the size of the Windows host partition. So in my case (with Ubuntu), the following worked: Just a small point. This tutorial will cover the steps to identify the disk and partition to attach to WSL2, how to mount them, and how to access them. I think you really want an experience that is as close to that of WSL1 as possible, but with the incredible perf and compat gains, of course. In Home you don't even have the Optimize-VHD cmdlet, but thankfully (the slightly clumsier) diskpart command which can also be used to compact the .vhdx file. At this point my drive has almost no space and I'm not finding anything on Google on how to compact it, short of destroying the entire WSL 2 instance and remaking it from scratch. Documenting a couple of pitfalls, and how I've set up Docker Desktop under WSL2. By this point, you should have hopefully reclaimed a fair amount of space. Thanks, I was able to find it there too. Now where this becomes important is in the sizing step. on a cloud server or on a mac VM: No. Uninstalling docker. #4699 (comment), https://stephenreescarter.net/how-to-shrink-a-wsl2-virtual-disk/. The Docker Weekly is a email newsletter with the latest content on Docker and the event agenda for the upcoming weeks. Compacting a vhdx file won't degrade disk performance. Docker Compose is installed. ( Log Out / A Blog About .NET, Serverless and Software Architecture. I cannot use Optimize-VHD either as it is not recognized as a command on my Windows 10 (Home) system with Powershell v5.1. Docker memory is allocated minimally at 6 GB. Those are used by the docker-desktop distro, the same result is achieved when docker is run under Hyper-V by mounting a VHD (Virtual Hard Disk) in the Hyper-V image but mounting a VHD isn't possible with WSL2 yet. However, this alternative makes docker less useful. I’ve compiled a list of those extended images that I’ve found useful. (You might want to limit RAM usage, though.) You will need to be on Windows 10 Build 20211 or higher to access this feature. This does not work for me either as I get the following response -. Thanks ! If you are looking for a way how to reclaim your disk space from Docker using WSL2, then there is a button for this if you are using Docker for Desktop (Edge 2.3.0.0). You can change the default allocation to 6 GB in Docker. You can list all the images on your computer with the docker image list command, and remove an image that you don’t need by using the docker image rm command. Describe the solution you'd like Unless you plan to restart any of these containers, they are hogging space for nothing. Just Hyper-V Module for Windows Powershell to get Optimize-VHD cmdlet and Hyper-V Services to get it working Also, until about 2 weeks ago, it was consuming the entire remainder of my system disk. ... WSL2 Linux, and Docker containers are always accessed from localhost or 127.0.0.1. Instead of executing each of the previous prune commands individually, you could use the docker system prune command, which performs a prune on containers, images and a few other less-storage-hungry components within Docker. I wrote up a blog post about it, and here's the script I used (use at your own risk): @mikemaccana That's where Docker Desktop with WSL2 backend saves the docker images. Docker on WSL2 in Windows 2004 2 min read. Oh, my god . Let me know in the comments below if you’ve found another, less drastic solution to this problem. But after restarting Docker Desktop and changing the settings / resources / wsl integration to off + apply, then to on again + apply did the trick.
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