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Percona Software for PostgreSQL Documentation

Percona Distribution for PostgreSQL 13.18 (2024-12-11)

Installation

Percona Distribution for PostgreSQL is a solution with the collection of tools from PostgreSQL community that are tested to work together and serve to assist you in deploying and managing PostgreSQL. The aim of Percona Distribution for PostgreSQL is to address the operational issues like High-Availability, Disaster Recovery, Security, Spatial data handling, Observability, Performance and Scalability and others that enterprises are facing.

This release of Percona Distribution for PostgreSQL is based on PostgreSQL 13.18.

Release Highlights

  • This release includes fixes for CVE-2024-10978 and for certain PostgreSQL extensions that break because they depend on the modified Application Binary Interface (ABI). These regressions were introduced in PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21. For this reason, the release of Percona Distribution for PostgreSQL 13.18 has been skipped.

  • Percona Distribution for PostgreSQL includes pgvector - an open source extension that enables you to use PostgreSQL as a vector database. It brings vector data type and vector operations (mainly similarity search) to PosgreSQL. You can install pgvector from repositories, tarballs, and it is also available as a Docker image.

  • Percona Distribution for PostgreSQL now statically links llvmjit.so library for Red Hat Enterprise Linux 8 and 9 and compatible derivatives. This resolves the conflict between the LLVM version required by Percona Distribution for PostgreSQL and the one supplied with the operating system. This also enables you to use the LLVM modules supplied with the operating system for other software you require.

Supplied third-party extensions

Review each extension’s release notes for What’s new, improvements, or bug fixes. The following is the list of extensions available in Percona Distribution for PostgreSQL.

The following is the list of extensions available in Percona Distribution for PostgreSQL.

Extension Version Description
etcd 3.5.16 A distributed, reliable key-value store for setting up high available Patroni clusters
HAProxy 2.8.11 a high-availability and load-balancing solution
Patroni 4.0.3 a HA (High Availability) solution for PostgreSQL
PgAudit 1.5.2 provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL
pgAudit set_user 4.1.0 provides an additional layer of logging and control when unprivileged users must escalate themselves to superusers or object owner roles to perform needed maintenance tasks.
pgBackRest 2.54 a backup and restore solution for PostgreSQL
pgBadger 12.4 a fast PostgreSQL Log Analyzer.
pgbouncer 1.23.1 a lightweight connection pooler for PostgreSQL
pg_gather v28 an SQL script for running the diagnostics of the health of PostgreSQL cluster
pgpool2 4.5.4 a middleware between PostgreSQL server and client for high availability, connection pooling and load balancing.
pg_repack 1.5.1 rebuilds PostgreSQL database objects
pg_stat_monitor 2.1.0 collects and aggregates statistics for PostgreSQL and provides histogram information.
pgvector v0.8.0 A vector similarity search for PostgreSQL
PostGIS 3.3.7 a spatial extension for PostgreSQL.
PostgreSQL Common 266 PostgreSQL database-cluster manager. It provides a structure under which multiple versions of PostgreSQL may be installed and/or multiple clusters maintained at one time.
wal2json 2.6 a PostgreSQL logical decoding JSON output plugin

For Red Hat Enterprise Linux 8 and 9 and compatible derivatives, Percona Distribution for PostgreSQL also includes the supplemental python3-etcd 0.4.5 packages, which are used for setting up Patroni clusters.

Percona Distribution for PostgreSQL is also shipped with the libpq library. It contains “a set of library functions that allow client programs to pass queries to the PostgreSQL backend server and to receive the results of these queries.”

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