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Galera Replication Demystified: How Does It Work?

Galera replication works by synchronizing data across multiple database servers so that any server can accept writes and all servers instantly reflect the new data. It uses global transaction IDs and group communication to replicate write sets in parallel to all nodes, ensuring consistency. Any node can join the cluster as long as it knows the cluster name and can find an active member to bootstrap from.

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Frédéric Descamps
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