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moby--moby/docs/reference/commandline/stats.md
Yong Tang 0e3846e280 Change HumanSize to BytesSize for memory output in docker stats.
This fix tries to fix the discrepancy between `docker stats` and
`docker run` where `docker run` uses RAMInBytes for all memory
related inputs but `docker stats` uses HumanSize for all memory
related outputs.

To be consistent, `docker stats` needs to use BytesSize for all
memory related outputs to conform to RAMInBytes in `docker run`.

This fix addresses this issue. As BytesSize is used, the test
cases needs to be adjusted to match `KiB/MiB/GiB` instead of
`KB/MB/GB`.

The documentation has also been updated.

This fix fixes #21765.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2016-04-08 20:01:50 +00:00

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<!--[metadata]>
+++
title = "stats"
description = "The stats command description and usage"
keywords = ["container, resource, statistics"]
[menu.main]
parent = "smn_cli"
+++
<![end-metadata]-->
# stats
Usage: docker stats [OPTIONS] [CONTAINER...]
Display a live stream of one or more containers' resource usage statistics
-a, --all Show all containers (default shows just running)
--help Print usage
--no-stream Disable streaming stats and only pull the first result
The `docker stats` command returns a live data stream for running containers. To limit data to one or more specific containers, specify a list of container names or ids separated by a space. You can specify a stopped container but stopped containers do not return any data.
If you want more detailed information about a container's resource usage, use the `/containers/(id)/stats` API endpoint.
## Examples
Running `docker stats` on all running containers
$ 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
Running `docker stats` on multiple containers by name and id.
$ 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