#facebook

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• TAO: Facebook’s social graph store — objects, associations, and refill

  Oct 18, 2026 7 min read

  How Facebook's TAO served a billion graph reads/sec: objects & associations, leader/follower caches, refill messages, and master/slave regions (ATC '13).

  • #distributed systems
  • #facebook
  • #graph store
  • #caching
  • #consistency
  • #papers