firecracker-microvm / firecracker-microvm/firecracker

Unmap/discard/fstrim

Open
#2,708 12 comments 5 reactions 0 assignees View on GitHub
Good first issue Priority: Medium Roadmap: New Request Status: Parked
Dominant language
Rust
Stars
36.7k
Forks
2.6k
Avg merge
3d 3h
Merged PRs (30d)
58

Description

Is firecracker supporting unmap/discard/fstrim, ie automatic reduction of the image size on the host when a file is deleted on the guest? If it does how do I enable it?

Contributor guide

Open the contributing guide

Research direction

No files, tests, or entry points are named. Start by checking Firecracker's block-device configuration and existing support for guest discard or fstrim; done means determining whether guest file deletion can reduce host image usage and documenting the required configuration or implementation scope.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
infrastructure, operating-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.