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Database Replication النسخ المتماثل لقواعد البيانات

Definition

Continuously copying a database to one or more replica servers. Replicas serve read traffic (scaling), stand by as failover targets (availability), and feed analytics without touching production. Primary-replica is the common pattern; the replica lags the primary by milliseconds to seconds, which read-after-write code must respect.

Databases Infrastructure
Last updated Aug 2026