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Percona Software for PostgreSQL Documentation

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Percona Distribution for PostgreSQL 15.2 (2023-03-20)

Release date: March 20, 2023
Installation: Installing Percona Distribution for PostgreSQL

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, Performance and Scalability and others that enterprises are facing.

This release of Percona Distribution for PostgreSQL is based on PostgreSQL 15.2.

Release Highlights

  • A new major version of pg_stat_monitor 2.0.0 has been released and is now generally available with Percona Distribution for PostgreSQL.

  • A new extension pgpool - a middleware between PostgreSQL server and client for high availability, connection pooling and load balancing - is added.

  • Percona Distribution for PostgreSQL is now available on Red Hat Enterprise Linux 9 and compatible derivatives

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

Extension Version Description
Patroni 3.0.1 a HA (High Availability) solution for PostgreSQL
PgAudit 1.7.0 provides detailed session or object audit logging via the standard logging facility provided by PostgreSQL
pgAudit set_user 4.0.1 provides an additional layer of logging and control when unprivileged users must escalate themselves to superusers or object owner roles in order to perform needed maintenance tasks.
pgBackRest 2.43 a backup and restore solution for PostgreSQL
pgBadger 12.0 a fast PostgreSQL Log Analyzer.
PgBouncer 1.18.0 a lightweight connection pooler for PostgreSQL
pg_repack 1.4.8 rebuilds PostgreSQL database objects
pg_stat_monitor 2.0.0 collects and aggregates statistics for PostgreSQL and provides histogram information.
PostgreSQL Common 247 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 2.5 a PostgreSQL logical decoding JSON output plugin
HAProxy 2.5.11 a high-availability and load-balancing solution
pgpool2 4.4.2 a middleware between PostgreSQL server and client for high availability, connection pooling and load balancing.

Percona Distribution for PostgreSQL also includes the following packages:

  • llvm 12.0.1 packages for Red Hat Enterprise Linux 8 / CentOS 8. This fixes compatibility issues with LLVM from upstream.
  • supplemental etcd packages which can be used for setting up Patroni clusters. These packages are available for the following operating systems:
Operating System Package Version Description
CentOS 8 etcd 3.3.11 A consistent, distributed key-value store
python3-python-etcd 0.4.3 A Python client for etcd

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.”