# Percona Distribution for PostgreSQL 11 Documentation

Percona Distribution for PostgreSQL is a collection of tools to assist you in managing your PostgreSQL
database system: it installs PostgreSQL and complements it by a selection of
extensions that enable solving essential practical tasks efficiently:


* [pg_repack](https://github.com/reorg/pg_repack) rebuilds
PostgreSQL database objects


* [pgAudit](https://www.pgaudit.org/) provides detailed session or object
audit logging via the standard PostgreSQL logging facility


* [pgBackRest](https://pgbackrest.org/) is a backup and restore solution for
PostgreSQL


* [Patroni](https://patroni.readthedocs.io/en/latest/) is a HA (High Availability)  solution for PostgreSQL.


* [pg_stat_monitor](https://github.com/percona/pg_stat_monitor) collects and aggregates statistics for PostgreSQL and provides histogram information.

* [wal2json](https://github.com/eulerto/wal2json) - a PostgreSQL logical decoding JSON output plugin

* [HAProxy](http://www.haproxy.org/) - a high-availability and load-balancing solution 

* [`pgpool`](https://git.postgresql.org/gitweb/?p=pgpool2.git;a=summary) - a middleware between PostgreSQL server and client for high availability, connection pooling and load balancing.

* A collection of [additional PostgreSQL contrib extensions](https://www.postgresql.org/docs/11/contrib.html)


!!! admonition "See also"

    Blog Posts

    - [pgBackRest - A Great Backup Solution and a Wonderful Year of
      Growth](https://www.percona.com/blog/2019/05/10/pgbackrest-a-great-backup-solution-and-a-wonderful-year-of-growth/)
    - [Securing PostgreSQL as an Enterprise-Grade
      Environment](https://www.percona.com/blog/2018/09/21/securing-postgresql-as-an-enterprise-grade-environment/)

Percona Distribution for PostgreSQL is also shipped with the [libpq](https://www.postgresql.org/docs/11/libpq.html) 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.” [^1]


## Get started

* [Install Percona Distribution for PostgreSQL](installing.md)
* [Enable extensions](enable-extensions.md)


[^1]: https://www.postgresql.org/docs/11/libpq.html