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Memory swappiness option takes 0-100, and helps to tune swappiness behavior per container. For example, When a lower value of swappiness is chosen the container will see minimum major faults. When no value is specified for memory-swappiness in docker UI, it is inherited from parent cgroup. (generally 60 unless it is changed). Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Upstream-commit: 921da495d24695dda66d3f58e78887dd0bc2402e Component: engine
Docker Documentation
This directory contains the Docker user manual in the Markdown format. Do not edit the man pages in the man1 directory. Instead, amend the Markdown (*.md) files.
Generating man pages from the Markdown files
The recommended approach for generating the man pages is via a Docker
container using the supplied Dockerfile to create an image with the correct
environment. This uses go-md2man, a pure Go Markdown to man page generator.
Building the md2man image
There is a Dockerfile provided in the docker/man directory.
Using this Dockerfile, create a Docker image tagged docker/md2man:
docker build -t docker/md2man .
Utilizing the image
Once the image is built, run a container using the image with volumes:
docker run -v /<path-to-git-dir>/docker/man:/docs:rw \
-w /docs -i docker/md2man /docs/md2man-all.sh
The md2man Docker container will process the Markdown files and generate
the man pages inside the docker/man/man1 directory using
Docker volumes. For more information on Docker volumes see the man page for
docker run and also look at the article [Sharing Directories via Volumes]
(https://docs.docker.com/use/working_with_volumes/).