# google/lmctfy

lmctfy is the open source version of Google’s container stack, which provides Linux application containers.

Repository: https://github.com/google/lmctfy
Canonical: https://ross.abutalabs.com/products/lmctfy
Language: C++
License: NOASSERTION
License Family: other
Archived: true
Last push: 2015-06-29T07:36:26+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4734, "days_push": 4083, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 3403, forks 237 (observed 2026-08-28T04:08:02.984751+00:00)

## What it is
lmctfy (Let Me Contain That For You) is the open-source version of Google's container stack, providing Linux application containers with resource isolation for CPU, memory, and devices. It is released as both a C++ library and a CLI, built around a high-level intent-based API for creating and managing container hierarchies.

## Use cases
- isolate cpu and memory resources for applications on a single linux machine
- create application containers from the command line
- build container-aware applications that manage their own subcontainers
- create heavily isolated virtual hosts on linux
- learn how google implemented its internal container stack

## When to choose
- you need a historical reference implementation of Google's container abstractions
- you want an intent-based C++ API for Linux container resource isolation
- you are researching the origins of libcontainer and modern container runtimes

## When to avoid
- you need a maintained container runtime - the project is stalled and development moved to libcontainer
- you want broad configuration support out of the box
- you need production container management - use Docker, containerd, or runc instead

## Facets
- artifact type: library
- maturity: abandoned
- function: container-runtime, cli, security
- domain: infrastructure-as-code
- platform: cpp, cli
- tags: linux-containers, resource-isolation, cgroups, google, libcontainer, virtual-hosts, containers, devops, linux

## Member repositories
- google/lmctfy (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:02.984751+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:38:37.941958+00:00, confidence not recorded.
  - readme: https://github.com/google/lmctfy (fetched 2026-08-28T04:08:02.984751+00:00, sha 8bb3a2bde5ee)
- Data as of 2026-08-30T08:39:29.467469+00:00.