diff --git a/doc/src/sgml/logical-replication.sgml b/doc/src/sgml/logical-replication.sgml index b7e340824ca..8290cd1a083 100644 --- a/doc/src/sgml/logical-replication.sgml +++ b/doc/src/sgml/logical-replication.sgml @@ -24,10 +24,11 @@ - Logical replication of a table typically starts with taking a snapshot - of the data on the publisher database and copying that to the subscriber. - Once that is done, the changes on the publisher are sent to the subscriber - as they occur in real-time. The subscriber applies the data in the same + When logical replication of a table typically starts, PostgreSQL takes + a snapshot of the table's data on the publisher database and copies it + to the subscriber. Once complete, changes on the publisher since the + initial copy are sent continually to the subscriber. The subscriber + applies the data in the same order as the publisher so that transactional consistency is guaranteed for publications within a single subscription. This method of data replication is sometimes referred to as transactional replication. @@ -165,7 +166,7 @@ The individual tables can be added and removed dynamically using ALTER PUBLICATION. Both the ADD TABLE and DROP TABLE operations are - transactional; so the table will start or stop replicating at the correct + transactional, so the table will start or stop replicating at the correct snapshot once the transaction has committed. @@ -1954,15 +1955,6 @@ CONTEXT: processing remote data for replication origin "pg_16395" during "INSER Architecture - - Logical replication starts by copying a snapshot of the data on the - publisher database. Once that is done, changes on the publisher are sent - to the subscriber as they occur in real time. The subscriber applies data - in the order in which commits were made on the publisher so that - transactional consistency is guaranteed for the publications within any - single subscription. - - Logical replication is built with an architecture similar to physical streaming replication (see ). It is