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Percona Software for PostgreSQL Documentation

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Percona Server for PostgreSQL

Percona Server for PostgreSQL is a binary-compatible, open source drop-in replacement for PostgreSQL 18. It functions identically to upstream PostgreSQL, allowing you to migrate seamlessly between the two.

In addition to upstream functionality, Percona Server includes enhancements that enable advanced extension capabilities.

Enhancements

  • Storage Manager (SMGR) API exposure, which allows PostgreSQL extensions to integrate custom storage managers. This change was inspired by the following patchset introduced to the community.
  • WAL Read/Write API exposure, which allows extensions to hook into WAL read and write operations.

These enhancements serve as the foundation for Percona-authored extensions, such as pg_tde, which enables data-at-rest encryption.

For details about available extensions, see the Percona-authored extensions topic.

For a broader overview of integrated tooling and deployment guidance, start with the Percona Distribution for PostgreSQL Quickstart guide.