docker system df
内容説明 | Show docker disk usage |
---|---|
利用方法 | docker system df [OPTIONS] |
内容説明
The docker system df
command displays information regarding the
amount of disk space used by the Docker daemon.
オプション
オプション | デフォルト | 内容説明 |
---|---|---|
--format | Format output using a custom template: 'table': Print output in table format with column headers (default) 'table TEMPLATE': Print output in table format using the given Go template 'json': Print in JSON format 'TEMPLATE': Print output using the given Go template. Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates | |
-v, --verbose | Show detailed information on space usage |
利用例
By default the command displays a summary of the data used:
$ docker system df
TYPE TOTAL ACTIVE SIZE RECLAIMABLE
Images 5 2 16.43 MB 11.63 MB (70%)
Containers 2 0 212 B 212 B (100%)
Local Volumes 2 1 36 B 0 B (0%)
Use the -v, --verbose
flag to get more detailed information:
$ docker system df -v
Images space usage:
REPOSITORY TAG IMAGE ID CREATED SIZE SHARED SIZE UNIQUE SIZE CONTAINERS
my-curl latest b2789dd875bf 6 minutes ago 11 MB 11 MB 5 B 0
my-jq latest ae67841be6d0 6 minutes ago 9.623 MB 8.991 MB 632.1 kB 0
<none> <none> a0971c4015c1 6 minutes ago 11 MB 11 MB 0 B 0
alpine latest 4e38e38c8ce0 9 weeks ago 4.799 MB 0 B 4.799 MB 1
alpine 3.3 47cf20d8c26c 9 weeks ago 4.797 MB 4.797 MB 0 B 1
Containers space usage:
CONTAINER ID IMAGE COMMAND LOCAL VOLUMES SIZE CREATED STATUS NAMES
4a7f7eebae0f alpine:latest "sh" 1 0 B 16 minutes ago Exited (0) 5 minutes ago hopeful_yalow
f98f9c2aa1ea alpine:3.3 "sh" 1 212 B 16 minutes ago Exited (0) 48 seconds ago anon-vol
Local Volumes space usage:
NAME LINKS SIZE
07c7bdf3e34ab76d921894c2b834f073721fccfbbcba792aa7648e3a7a664c2e 2 36 B
my-named-vol 0 0 B
SHARED SIZE
is the amount of space that an image shares with another one (i.e. their common data)UNIQUE SIZE
is the amount of space that's only used by a given imageSIZE
is the virtual size of the image, it's the sum ofSHARED SIZE
andUNIQUE SIZE
メモ
Network information isn't shown, because it doesn't consume disk space.