Code AnalysisIntermediate 60s

Double-write to cache and DB

Two writers update DB and cache in different orders. What anomaly results?

Starter code

# writer A: db.set(1); cache.set(1)
# writer B: cache.set(2); db.set(2)   # interleaved

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.