Databases & Storage
Replication Strategies: Single-Leader, Multi-Leader, and Leaderless
Database replication copies your data across multiple machines - the question is who accepts writes, and that answer determines everything about your system's behavior.
Replication FactorQuorumSynchronous ReplicationAsynchronous ReplicationLeader ElectionConflict ResolutionLast-Write-Wins (LWW)Vector ClocksCAP TheoremEventual Consistency
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Replication Strategies: Single-Leader, Multi-Leader, and Leaderless - System Design Diagram
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