docker stats命令
栏目：
Docker
发布时间：2024-12-05
docker stats
options
| Name, shorthand | Description |
|---|---|
| --all , -a | Show all containers (default shows just running) |
| --format | Pretty-print images using a Go template |
| --no-stream | Disable streaming stats and only pull the first result |
| --no-trunc | Do not truncate output |
如果不指定 --format，docker stats 默认会展示下面几列：
| Column name | Description |
|---|---|
| CONTAINER ID and Name | the ID and name of the container |
| CPU % and MEM % | the percentage of the host’s CPU and memory the container is using |
| MEM USAGE / LIMIT | the total memory the container is using, and the total amount of memory it is allowed to use |
| NET I/O | The amount of data the container has sent and received over its network interface |
| BLOCK I/O | The amount of data the container has read to and written from block devices on the host |
| PIDs | the number of processes or threads the container has created |
docker stats 示例：
$ docker stats
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
c395f63bff12 fe-node 0.00% 112KiB / 15.51GiB 0.00% 5.39kB / 5.04kB 25.3MB / 0B 1
e05a642ecc50 febranchswitcher_web_1 0.00% 28.2MiB / 15.51GiB 0.18% 1.82MB / 551kB 24.6MB / 16.4kB 20
f100f6e78dc1 fe-redis 0.14% 1.969MiB / 15.51GiB 0.01% 111MB / 26.1MB 2.03GB / 2.67MB 5
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
c395f63bff12 fe-node 0.00% 128KiB / 15.51GiB 0.00% 5.39kB / 5.04kB 25.3MB / 0B 1
e05a642ecc50 febranchswitcher_web_1 0.00% 28.2MiB / 15.51GiB 0.18% 1.82MB / 551kB 24.6MB / 16.4kB 20
f100f6e78dc1 fe-redis 0.16% 1.969MiB / 15.51GiB 0.01% 111MB / 26.1MB 2.03GB / 2.67MB 5
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
使用 docker stats 查看指定容器的统计数据
docker stats 容器 id 或容器名称
示例：
$ docker stats fe-node
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
bf9c25d06c78 fe-node 0.00% 132KiB / 15.51GiB 0.00% 8.02kB / 7.49kB 6.92MB / 4.1kB 1
$ docker stats bf9c25d06c78
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
bf9c25d06c78 fe-node 0.00% 132KiB / 15.51GiB 0.00% 8.02kB / 7.49kB 6.92MB / 4.1kB 1
--format
| Placeholder | Description |
|---|---|
| .Container | Container name or ID (user input) |
| .Name | Container name |
| .ID | Container ID |
| .CPUPerc | CPU percentage |
| .MemUsage | Memory usage |
| .NetIO | Network IO |
| .BlockIO | Block IO |
| .MemPerc | Memory percentage (Not available on Windows) |
| .PIDs | Number of PIDs (Not available on Windows) |
$ docker stats --format "{{.Container}}: {{.CPUPerc}}"
bf9c25d06c78: 0.00%
e05a642ecc50: 0.00%
f100f6e78dc1: 0.13%
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