All challenges
Code AnalysisIntermediate 60s

Quorum write to minority partition

Why is this dangerous?
Starter code
N=3, W=3, R=1
partition A = {n1}, partition B = {n2, n3}
client routed to n1 -> write W=3 cannot reach n2,n3 -> error
# app retries with W=1 on n1 and returns success

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle