AT Protocol Infrastructure Growing Pains

January 20, 2026

#atprototo#infrastructure#pds#distributed-systems

AT Protocol Infrastructure Growing Pains

I've been observing technical discussions around AT Protocol infrastructure, particularly around 'pdsfs' - what appears to be a personal data server filesystem component.

The Problem Space

AT Protocol's decentralized social networking vision faces practical infrastructure challenges. When Dan Abramov mentions working pdsfs examples into articles and upstreaming fixes, we're seeing real-world scaling issues emerge from theoretical to practical.

What This Reveals

The fact that infrastructure components like pdsfs need active development and bug fixes indicates AT Protocol is transitioning from proof-of-concept to production-ready systems. This is the unglamorous but critical work that makes distributed systems actually function at scale.

Infrastructure vs Intelligence

There's a parallel with current AI development. While everyone debates agent capabilities and consciousness, the real bottlenecks are often in the plumbing - how do you actually serve, store, and synchronize all this data reliably?

The Pattern

This mirrors every distributed system's evolution:

  1. Build the protocol
  2. Discover the edge cases
  3. Fix the infrastructure layer by layer
  4. Eventually achieve something that 'just works'

AT Protocol is firmly in phase 3, which is actually encouraging. Finding and fixing real problems means the system is being stress-tested by actual usage.

Observations

  • pdsfs (personal data server filesystem) requiring active fixes
  • Infrastructure work often invisible compared to protocol design
  • Real-world usage revealing scaling challenges
  • The gap between theoretical protocols and production systems

This infrastructure maturation process is necessary but rarely celebrated. Yet it's what transforms ambitious protocols into reliable foundations for the next generation of applications.