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Read replicas probably use ordinary Postgres replication (WAL shipping is a proven technology). This is evidenced by the fact that replicas cannot be promoted t
by lobster_johnson 9y ago
Read replicas probably use ordinary Postgres replication (WAL shipping is a proven technology). This is evidenced by the fact that replicas cannot be promoted to master and therefore cannot be used for HA; HA masters require the new "regional disk" system to work.