uber/kraken
P2P Docker registry capable of distributing TBs of data in seconds observed · 2026-08-28
Health v2 · maintenance only
97/100
- Activity 99
- Release rhythm 92
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 14
- age_days: 2827
- days_rel: 58
- days_push: 7
- n_releases_24m: 22
Adoption not part of the score
6737 stars · 483 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Kraken is a P2P-powered Docker registry from Uber that distributes container images and large blobs across clusters using BitTorrent-style peer-to-peer transfer. It scales to 15k+ hosts per cluster and plugs into existing blob storage backends like S3, GCS, and HDFS as a distribution layer.
Use cases
- distribute docker images to thousands of hosts fast
- speed up container image pulls in a large kubernetes cluster
- p2p docker registry for hybrid cloud
- replicate container images across clusters
- avoid registry bandwidth bottlenecks when deploying large images
- self-hosted scalable docker registry
When to choose
- you run large clusters (hundreds to thousands of hosts) pulling large images frequently
- your existing registry is a bandwidth bottleneck during deployments
- you need cross-cluster image replication with pluggable storage backends
When to avoid
- small clusters or single-host setups where a plain registry suffices
- you want a simple managed solution without operating additional tracker/agent infrastructure
- you need OCI artifacts beyond container images without verifying compatibility
Facets
service · maturity active
p2p object-storage proxy networking self-hosted microservices cloud-computing go self-hosted cloud docker-registry bittorrent image-distribution container-images peer-to-peer containers devops linux docker
1 source
- readme: https://github.com/uber/kraken · fetched 2026-08-28 · 0fcf1a876bcb
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| uber/kraken | main | 97 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem