| PostgreSQL 9.4.1 Documentation | |||
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46.8. Synchronous Replication Support for Logical Decoding
Logical decoding can be used to to buildsynchronous replication solutions with the same user interface as synchronous replication forstreaming replication. To do this, the streaming replication interface (seeSection 46.3) must be used to stream out data. Clients have to sendStandby status update (F) (seeSection 49.3) messages, just like streaming replication clients do.
Note: A synchronous replica receiving changes via logical decoding will work in the scope of a single database. Since, in contrast to that,synchronous_standby_names currently is server wide, this means this technique will not work properly if more than one database is actively used.