I’m using Docker with Amazon ECS, using Amazon’s default AMI. The Docker version is 18.06.1-ce

The docker daemon is crashing, I think because it’s running out of thin pool space.

When I run docker info, I see:

Data Space Used: 20.13GB Data Space Total: 23.33GB Data Space Available: 3.194GB Metadata Space Used: 7.299MB Metadata Space Total: 25.17MB Metadata Space Available: 17.87MB

But when I run docker system df, I only see:

TYPE TOTAL ACTIVE SIZE RECLAIMABLE Images 14 13 12.27GB 449.9MB (3%) Containers 15 12 64.12kB 10.69kB (16%) Local Volumes 0 0 0B 0B Build Cache 0 0 0B 0B

What accounts for the 20.13GB of “Data Space Used” in docker info when docker system df is only showing ~12GB used?

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