How To Install pgbouncer on Debian 9

In this tutorial we learn how to install pgbouncer on Debian 9. pgbouncer is lightweight connection pooler for PostgreSQL

Introduction

In this tutorial we learn how to install pgbouncer on Debian 9.

What is pgbouncer

pgbouncer is:

PgBouncer is a lightweight connection pooler for PostgreSQL providing the following features:

  • Several levels of brutality when rotating connections: session pooling, transaction pooling, statement pooling.
  • Low memory requirements.
  • It is not tied to one backend server, the destination databases can reside on different hosts.
  • Supports online reconfiguration for most of the settings.
  • Supports online restart/upgrade.

There are three methods to install pgbouncer on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install pgbouncer Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install pgbouncer using apt-get by running the following command:

sudo apt-get -y install pgbouncer

Install pgbouncer Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install pgbouncer using apt by running the following command:

sudo apt -y install pgbouncer

Install pgbouncer Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install pgbouncer using aptitude by running the following command:

sudo aptitude -y install pgbouncer

How To Uninstall pgbouncer on Debian 9

To uninstall only the pgbouncer package we can use the following command:

sudo apt-get remove pgbouncer

Uninstall pgbouncer And Its Dependencies

To uninstall pgbouncer and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove pgbouncer

Remove pgbouncer Configurations and Data

To remove pgbouncer configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge pgbouncer

Remove pgbouncer configuration, data, and all of its dependencies

We can use the following command to remove pgbouncer configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge pgbouncer

Dependencies

pgbouncer have the following dependencies:

References

Summary

In this tutorial we learn how to install pgbouncer package on Debian 9 using different package management tools: apt, apt-get and aptitude.