Investigate incremental pull

cirruslabs / tart

macOS and Linux VMs on Apple Silicon to use in CI and other automations

https://tart.run

Other

3.8k stars 111 forks source link

Investigate incremental pull #814

Closed fkorotkov closed 4 months ago

fkorotkov commented 4 months ago

A common workflow is when a remote image is just getting updated and re-pushed under the same tag. For example, latest. Then multiple hosts will try to pull the same image when they have latest pointing to the old sha@....

It seems on a pull of a tag that is already presented locally we can try to compare if layers has changed and pull only changed layers.

edigaryev commented 4 months ago

Investigation results:

Chunking for Tart.ods

PRs:

tart push-side: https://github.com/cirruslabs/tart/pull/821
tart pull-side: https://github.com/cirruslabs/tart/pull/825