docker load image size error

Docker Desktop
1

Recently, I just used Docker Desktop to run deep reinforcement learning code with an image. Then, there was a particularly strange bug. I used docker load to import the tar package provided by my senior, and after importing the image, I found that the image size had increased by 20G. Others’ imported image size was only 20G, but mine showed 40G. Then, I checked the image size through docker system df, and it was only a little over 20G, which was normal. However, docker images still showed 40G, which was very strange.

Today, I downloaded the ray-ml image provided by RAY from Docker Desktop and found that the downloaded image was also 20G larger. The original official size should be around 10G, but the one I downloaded was 30G.

Has anyone encountered a similar problem? Do you know how to solve it? Thank you very much.

2

This is normal when the containerd image store is used, as the imported original compressed image itself is retained + the extracted image.

3

But why others load the images, it is 20GB. I don’t quite know what you mean. I’m a newbie about the docker. How can I fix it? Or if I can use the image normally?

4

Most likely because they did not enable the containerd image store.

Please read the link I shared earlier carefully about what happens when you enable/disable the containerd image store.

5

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