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Challenge

Eliminate stale reads on a 3-replica key-value ring

A 3-replica store (N = 3) runs sloppy quorums, R = 1 and W = 1.

Reads often hit a replica without the latest acknowledged write (staleRead). Make read and write quorums overlap.

  • Goodput

    ≥ 99.0%

    every seed

  • Budget

    $500/mo

    ★★ at ≤ $400

  • Traffic

    1,000 req/s (constant)

    deadline 40 ms

★★★ adds 1 variant failure timeline.