A logical decoding output plugin for MongoDB

wal2mongo is a logical decoding output plugin for MongoDB. It converts PostgreSQL database changes into a JSON output format which can be consumed by MongoDB, effectively creating a logical replication connection between PostgreSQL and MongoDB.

wal2mongo was publicly released in May 2020 under the Apache License 2.0.

Release history

This is a summary of significant releases; for a full and detailed list of releases, see the wal2mongo release page.


Logical replication

See also