# awslabs/mountpoint-s3

A simple, high-throughput file client for mounting an Amazon S3 bucket as a local file system.

Repository: https://github.com/awslabs/mountpoint-s3
Canonical: https://ross.abutalabs.com/products/mountpoint-s3
Language: Rust
License: Apache-2.0
License Family: permissive
Topics: aws, filesystem, fuse, s3, object-storage
Last push: 2026-08-25T20:02:47+00:00

## Health v2 (maintenance only)
Score: 95/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 87, longevity 100
- inputs: {"age_days": 1472, "days_push": 8, "days_rel": 9, "gap_med": 32.5, "n_releases_24m": 23}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5758, forks 249 (observed 2026-08-28T04:09:29.230777+00:00)

## What it is
Mountpoint for Amazon S3 is a high-throughput FUSE file client that mounts an Amazon S3 bucket as a local file system. It translates file operations like open and read into S3 object API calls, optimized for reading large objects concurrently and writing new objects sequentially.

## Use cases
- mount an s3 bucket as a local filesystem
- read large files from s3 without downloading them first
- access a subset of s3 objects from a large dataset
- upload files directly to s3 with cp
- run data processing workloads that read from s3 across many instances

## When to choose
- your application needs high read throughput to large S3 objects from many clients
- you want file-based access to S3 without managing local copies
- you write new objects sequentially from a single client

## When to avoid
- your workload requires full POSIX semantics like directory renames or symlinks
- you frequently edit existing files in place
- you need random writes to existing objects

## Facets
- artifact type: cli-tool
- maturity: stable
- function: file-system, object-storage, cli
- domain: cloud-computing, files, developer-tools, infrastructure-as-code
- platform: rust, cloud
- tags: fuse, s3, aws, mount, high-throughput, object-storage, linux

## Member repositories
- awslabs/mountpoint-s3 (main) score 95

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:29.230777+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 2026-08-29T17:53:15.470201+00:00, confidence not recorded.
  - readme: https://github.com/awslabs/mountpoint-s3 (fetched 2026-08-28T04:09:29.230777+00:00, sha 87e01e5b4f58)
- Data as of 2026-08-30T08:39:29.467469+00:00.