We designed a highly available Pastebin service using replicated load balancers, horizontally scaled application servers, a write-through cache, and a quorum-based replicated database. The system met all latency and fault-tolerance requirements while maintaining healthy capacity headroom and near-optimal cost.
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genuine question, what is the quorum buying you here. pastes are write once read many and one db.large already holds the whole dataset. i keep wanting to remove boxes from this