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Postgres logical replication concepts
Postgres logical replication concepts
This is the most common type of replication in PostgreSQL Physical replication maintains a full copy of the entire data of a cluster It uses
This is the most common type of replication in PostgreSQL Physical replication maintains a full copy of the entire data of a cluster It uses
replication slot does not exist Replication slots make sure that the new primary can carry on streaming changes from where the old primary left off This minimizes data loss
replication slot already exists A replication slot ensures that the WAL will not go away if the replica lags behind Without a replication slot, a primary will recycle its WAL as soon as it
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![replication slot postgres](10016.jpg)