home/knowledge
2
0
Fork 0
mirror of https://github.com/wahyd4/knowledge.git synced 2026-08-08 20:57:48 +10:00
Code Issues Packages Projects Releases Wiki Activity

update

Browse Source
This commit is contained in:
junv
2020-02-26 17:18:03 +11:00
parent e88938357d
commit ba02d203df
3 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
assets/images/cgroups.png
BIN
View File
Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 66 KiB

assets/images/docker-filesystem.png
BIN
View File
Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 88 KiB

categories/devops/docker.md
+6
View File
@@ -36,6 +36,9 @@ Docker Engine uses the following namespaces on Linux:
### Cgroups
![cgroups](https://raw.githubusercontent.com/wahyd4/knowledge-mind-mapping/master/assets/images/cgroups.png)
Docker also makes use of kernel control groups for resource allocation and isolation. A cgroup limits an application to a specific set of resources. Control groups allow Docker Engine to share available hardware resources to containers and optionally enforce limits and constraints.
Docker Engine uses the following cgroups:
@@ -50,6 +53,9 @@ Docker Engine uses the following cgroups:
### Union File Systems
![filesystem](https://raw.githubusercontent.com/wahyd4/knowledge-mind-mapping/master/assets/images/docker-filesystem.png)
Union file systems operate by creating layers, making them very lightweight and fast. Docker Engine uses UnionFS to provide the building blocks for containers. Docker Engine can use multiple UnionFS variants, including AUFS, btrfs, vfs, and devicemapper.
### Container Format