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Below is the documentation for Quilt 3. See here and here from Quilt 2.

Quilt is a versioned data portal for AWS

  • is a petabyte-scale open data portal that runs on Quilt

  • includes case studies, use cases, videos, and information on how you can run a private Quilt instance

Who is Quilt for?

Quilt is for data-driven teams of both technical and non-technical members (executives, data scientists, data engineers, sales, product, etc.).

What does Quilt do?

Quilt adds search, visual content preview, and versioning to every file in S3.

How does Quilt work?

Quilt consists of a Python client, web catalog, lambda functions—all of which are open source—plus a suite of backend services and Docker containers orchestrated by CloudFormation. The latter are available under a paid license for private use on

Use cases

Quilt addresses five key use cases:

  • Share data at scale. Quilt wraps AWS S3 to add simple URLs, web preview for large files, and sharing via email address (no need to create an IAM role).

  • Understand data better through inline documentation (Jupyter notebooks, markdown) and visualizations (Vega, Vega Lite)

  • Discover related data by indexing objects in ElasticSearch

  • Model data by providing a home for large data and models that don't fit in git, and by providing immutable versions for objects and data sets (a.k.a. "Quilt Packages")

  • Decide by broadening data access within the organization and supporting the documentation of decision processes through audit-able versioning and inline documentation


I - Performance and core services

  • Address performance issues with push (e.g. re-hash)

  • Investigate and implement more efficient manifest formats (e.g. Parquet),

    that scale to 10M keys; consider abbreviated "fast manifests" for lazy browsing

  • Refactor s3://bucket/.quilt for improved listing and delete performance

  • Provide Presto-DB-powered services for filtering package repos with SQL

II - CI/CD for data

  • Ability to fork/merge packages

  • Data quality monitoring

III - Storage agnostic (support Azure, GCP buckets)

  • Evaluate and as shims

  • Evaluate feasibility of on-prem local storage as a repo

IV - Cloud agnostic

  • Evaluate K8s and Terraform to replace CloudFormation

  • Shim lambdas (consider

  • Shim ElasticSearch (consider SOLR)

  • Shim IAM via RBAC