google/gvisor

Overlay size, as alternative to --storage-opt size=30G

Open

#11504 opened on Mar 2, 2025

View on GitHub
 (9 comments) (0 reactions) (0 assignees)Go (12,713 stars) (1,061 forks)batch import
good first issuetype: enhancement

Description

Description

Would be superb to support limiting disk space similar to the Docker's --storage-opt size=30G Thanks

Is this feature related to a specific bug?

No response

Do you have a specific solution in mind?

No response

Contributor guide

Tech stack
go
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
Go programmingLinux filesystem conceptsgvisor architecture overview
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate gvisor's overlay filesystem implementation in pkg/sentry/fsimpl/overlay (or similar) to understand current size limits. Review Docker's storage opt implementation for reference. Propose a mechanism to allow users to limit overlay size, possibly by adding a storage option similar to Docker. Consider how to enforce size limits at the overlay layer.