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fanout

Simulation run on this device. Scenario values are not sent anywhere — the engine is fully local.

system design game · free

CRDT Merge Desk

Play with counters, sets, and registers that always converge.

Can you merge without a leader and lose no writes?

Engine 1.0.0 · game
3
1100
0
CRDT
G-Counter
Merge complexity
O(3)
Lost updates (LWW)
0
Converges?
yes (eventually)

Counters merge without losing increments.

12 concurrent ops across 3 replicas

Method

  • Deterministic local model of the mechanism — knobs recompute outputs instantly with no network.
  • Numbers are teaching approximations, not production capacity guarantees.

Sources

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