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描述
显示容器资源使用统计信息的实时流
使用
docker stats [OPTIONS] [CONTAINER...]
备选方案
名字，简写 | 默认 | 描述 |
|---|---|---|
--all, -a | 假 | 显示所有容器（默认显示正在运行） |
--format | 使用Go模板打印出图像 | |
--no-stream | 假 | 禁用流式统计信息并仅提取第一个结果 |
父命令
命令 | 描述 |
|---|---|
docker | Docker CLI的基本命令。 |
扩展描述
docker stats命令返回一个用于运行容器的实时数据流。要将数据限制到一个或多个特定容器，请指定由空格分隔的容器名称或ID列表。您可以指定已停止的容器，但已停止的容器不会返回任何数据。
如果您想了解有关容器资源使用情况的更多详细信息，请使用/containers/(id)/statsAPI端点。
实例
docker stats针对Linux守护进程运行所有正在运行的容器。
$ docker stats CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O 1285939c1fd3 0.07% 796 KiB / 64 MiB 1.21% 788 B / 648 B 3.568 MB / 512 KB 9c76f7834ae2 0.07% 2.746 MiB / 64 MiB 4.29% 1.266 KB / 648 B 12.4 MB / 0 B d1ea048f04e4 0.03% 4.583 MiB / 64 MiB 6.30% 2.854 KB / 648 B 27.7 MB / 0 B
docker stats通过名称和id在Linux守护进程上运行多个容器。
$ docker stats fervent_panini 5acfcb1b4fd1 CONTAINER CPU % MEM USAGE/LIMIT MEM % NET I/O 5acfcb1b4fd1 0.00% 115.2 MiB/1.045 GiB 11.03% 1.422 kB/648 B fervent_panini 0.02% 11.08 MiB/1.045 GiB 1.06% 648 B/648 B
docker stats在所有（运行和停止）容器上运行自定义格式。
$ docker stats --all --format "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}"CONTAINER ID NAME CPU % MEM USAGE / LIMIT
c9dfa83f0317f87637d5b7e67aa4223337d947215c5a9947e697e4f7d3e0f834 ecstatic_noether 0.00% 56KiB / 15.57GiB
8f92d01cf3b29b4f5fca4cd33d907e05def7af5a3684711b20a2369d211ec67f stoic_goodall 0.07% 32.86MiB / 15.57GiB
38dd23dba00f307d53d040c1d18a91361bbdcccbf592315927d56cf13d8b7343 drunk_visvesvaraya 0.00% 0B / 0B
5a8b07ec4cc52823f3cbfdb964018623c1ba307bce2c057ccdbde5f4f6990833 big_heisenberg 0.00% 0B / 0Bdrunk_visvesvaraya与big_heisenberg在上述示例中是停止的容器。
docker stats针对Windows守护进程运行所有正在运行的容器。
PS E:\> docker stats CONTAINER CPU % PRIV WORKING SET NET I/O BLOCK I/O 09d3bb5b1604 6.61% 38.21 MiB 17.1 kB / 7.73 kB 10.7 MB / 3.57 MB 9db7aa4d986d 9.19% 38.26 MiB 15.2 kB / 7.65 kB 10.6 MB / 3.3 MB 3f214c61ad1d 0.00% 28.64 MiB 64 kB / 6.84 kB 4.42 MB / 6.93 MB
docker stats通过名称和ID在Windows守护进程上运行多个容器。
PS E:\> docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3f214c61ad1d nanoserver "cmd" 2 minutes ago Up 2 minutes big_minsky 9db7aa4d986d windowsservercore "cmd" 2 minutes ago Up 2 minutes mad_wilson 09d3bb5b1604 windowsservercore "cmd" 2 minutes ago Up 2 minutes affectionate_easley PS E:\> docker stats 3f214c61ad1d mad_wilson CONTAINER CPU % PRIV WORKING SET NET I/O BLOCK I/O 3f214c61ad1d 0.00% 46.25 MiB 76.3 kB / 7.92 kB 10.3 MB / 14.7 MB mad_wilson 9.59% 40.09 MiB 27.6 kB / 8.81 kB 17 MB / 20.1 MB
格式化
格式化选项（--format）可以使用Go模板打印容器输出。
Go模板的有效占位符列在下面：
占位符 | 描述 |
|---|---|
.Container | 容器名称或ID（用户输入） |
.Name | 容器名称 |
.ID | 容器ID |
.CPUPerc | CPU百分比 |
.MemUsage | 内存使用情况 |
.NetIO | 网络IO |
.BlockIO | 块IO |
.MemPerc | 内存百分比（Windows上不可用） |
.PIDs | PID数量（在Windows上不可用） |
使用该--format选项时，stats命令可以完全按照模板声明输出数据，或者在使用table指令时也包含列标题。
以下示例使用不带标题的模板，并输出由冒号分隔的所有图像Container和CPUPerc条目：
$ docker stats --format "{{.Container}}: {{.CPUPerc}}"09d3bb5b1604: 6.61%9db7aa4d986d: 9.19%3f214c61ad1d: 0.00%若要以表格格式列出所有容器的统计数据及其名称、CPU百分比和内存使用情况，请使用：
$ docker stats --format "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}"CONTAINER CPU % PRIV WORKING SET
1285939c1fd3 0.07% 796 KiB / 64 MiB
9c76f7834ae2 0.07% 2.746 MiB / 64 MiB
d1ea048f04e4 0.03% 4.583 MiB / 64 MiB