System requirements¶

The following are the minimum software and hardware requirements to run Charmed PostgreSQL.

Contact us if you need support or have a feature request.

Software¶

VM

Ubuntu 22.04 (Jammy) or later

K8s

Ubuntu 22.04 (Jammy) or later
Kubernetes 1.27+
Canonical MicroK8s 1.27+
- snap channel 1.27-strict/stable and newer

Juju¶

Charmed PostgreSQL 14 supports several Juju releases, starting from 2.9 LTS .

Juju major release	Supported minor versions	Compatible charm revisions	Comment
	`3.6.1+`	444/445+	Recommended for production.
	`3.5.1+`	280+	Known Juju issue in `3.5.0`
	`3.4.3+`	280+	Know Juju issues with previous minor versions
	`3.3.0+`	from 177 to 193	No known issues
	`3.2.0+`	from 177 to 193	No known issues
	`3.1.7+`	from 177 to 193	Juju secrets were stabilised in `3.1.7`
	`2.9.49+`	73+
	`2.9.32+`	73 to 193	No tests for older Juju versions.

Hardware¶

Minimum recommended hardware for a production deployment:

vCPU: 4
RAM: 8GB
Disk: 20GB

Minimum recommended hardware for testing:

vCPU: 2
RAM: 2GB
Disk: 10GB

Actual hardware requirements will depend on the workload you are running against your database.

See also: Performance and testing

The charm is based on the charmed-postgresql snap .

It currently supports the following architectures:

amd64
arm64
- Starting from Revision 211 for K8s
- Starting from Revision 396 for VM

Networking¶

Access to the internet is required for downloading required snaps and charms.

See also: How to deploy in an offline or air-gapped environment

Only IPv4 is supported at the moment. See more information about this limitation in this Jira issue