Docker overlayfs Storage Backend: Difference between revisions
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=Internal= | =Internal= | ||
* [[Docker_Concepts# | * [[Docker_Concepts#overlayfs_Storage_Driver|Docker Concepts - Storage Backend]] | ||
=Overview= | =Overview= |
Revision as of 19:04, 19 April 2018
External
- https://docs.docker.com/storage/storagedriver/overlayfs-driver/
- https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/7.3_Release_Notes/index.html#technology_previews_file_systems
Internal
Overview
overlay and overlay2 operate at the file level rather than the block level. Because of this, but the container’s writable layer may grow quite large in write-heavy workloads.
Info
At runtime, general statistics on the overlayfs storage driver can be obtained with:
docker info [...] Storage Driver: overlay2 Backing Filesystem: extfs Supports d_type: true Native Overlay Diff: true [...] Docker Root Dir: /var/lib/docker [...]