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Read Repair Read Amplification in Quorum-Based Stores : State Divergence and Merge Integrity Under Concurrent Writers

RustTokioSledPrometheus

Problem Breakdown

The fundamental defect is that shared mutable state is updated by concurrent writers whose operations are only serialized after the fact, at reconciliation time. Quorum reads with read-repair fetch from all replicas to reconcile divergence; when replication lag is high, every read becomes a full fan-out to R+N-1 nodes…

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