~/talk

Deep Dive: Dragonfly

Talkat KubeCon + CloudNativeCon Europe 2019 · on Wednesday, 2019-05-22· at 16:45· Hall 8.0 E4· [devops-and-delivery, networking]
name:Jin Zhang
links:none on file
links:none on file
slides:none on file

Dragonfly is an open P2P container image distribution system that runs a supernode (scheduling, peer lists, seeding) plus clients (dfget/dfdaemon acting as proxies), splits large layers into piece-based transfers, enforces rate limits and cache-control, and supports Docker and containerd without engine changes. Demo deploys supernode and dfdaemon with two commands and shows a large image pull drop from about 6 minutes to ~23 seconds, with many layers fetching in <2s.

AI-written summary · about

  1. 0:00Intro
  2. 1:02File Distribution
  3. 2:31Image Distribution
  4. 3:55Distribution Flow
  5. 7:28SuperNode
  6. 10:42DFDaemon
  7. 11:13HOW
  8. 11:46Feature
  9. 12:26What is an Image
  10. 13:25Pulling An Image Manifest
  11. 14:29Pulling An Image Layer
  12. 18:44Pulling An Image by Dragonfly
  13. 23:07DEMO - Deployment
  14. 24:48DEMO - Download Files
  15. 27:15DEMO - Pull Images
  16. 30:47ROADMAP
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