System requirements

Common requirements

General purpose software
- Operating system: Ubuntu 20.04 LTS
- Kubernetes: 1.21
- Docker Engine: 20.10.*
- Docker Registry: 2.*
Data storage software
- Apache Cassandra: 3.*
- Apache Kafka: 3.0.* with Apache ZooKeeper 3.6.3
- PostgreSQL: 14._ with extensions PostGIS 3.3, JsQuery 1._, plpgsql 1.*, pg_trgm 1.4
- Redis: 6.* (stable release)
- S3-compatible storage: e.g., Ceph: 14.2.22
- Elasticsearch: 7.*

System requirements

Important note:

The requirements listed below are approximate and provided for informational purposes.

Contact Urbi when planning any deployment to get calculations adapted to your environments and needs.

Requirements for the artifacts delivery infrastructure

For testing and production environments:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
DGCLI	—	—	—	No	Yes	S3 storage Docker Registry	See below
S3-compatible storage	—	—	—	No	No	Own storage	800 GB
Docker Registry	—	—	—	No	No	Own storage	100 GB

Requirements for License service

For testing environment:

Service CPU
cores RAM Min replicas Requires
load balancer Requires
Internet Access Storage Type Storage Size

License service 1 0,5 GB 1 No No DGCLI storage -
For production environment:

Service CPU
cores RAM Min replicas Requires
load balancer Requires
Internet Access Storage Type Storage Size

License service 1 0,5 GB 2 No No DGCLI storage -

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
License service	1	0,5 GB	1	No	No	DGCLI storage	-

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
License service	1	0,5 GB	2	No	No	DGCLI storage	-

Requirements for API Keys service

For testing environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Frontend	1	1 GB	2	Yes	No	—	—
Backend	1	1 GB	2	Yes	No	Apache Kafka PostgreSQL Redis	See below
Apache Kafka + Zookeeper	4	4 GB	3	Yes	No	Own storage	500 GB^*
PostgreSQL	2	4 GB	3	Yes	No	Own storage	200 GB
Redis

For production environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Frontend	1	1 GB	2	Yes	No	—	—
Backend	1	1 GB	2	Yes	No	Apache Kafka PostgreSQL Redis	See below
Apache Kafka + Zookeeper	8	12 GB	3	Yes	No	Own storage	500 GB^*
PostgreSQL	2	4 GB	3	Yes	No	Own storage	200 GB
Redis

* Note that these storage requirements may vary depending on the configured statistics storage time period. The greater this period is, the more storage space is required.

Requirements for Search services

For testing environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Search API	1	2 GB	3	Yes	No	K8S pod storage	5 GB
Catalog API	1	7 GB	2	Yes	No	PostgreSQL	See below
PostgreSQL	2	4 GB	3	Yes	No	Own storage	60 GB

For production environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Search API	3	4 GB	3	Yes	No	K8S pod storage	5 GB
Catalog API	4	7 GB	2	Yes	No	PostgreSQL	See below
PostgreSQL	8	16 GB	3	Yes	No	Own storage	60 GB

Requirements for Maps services

For testing environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
MapGL JS API	1	2 GB	2	Yes	No	—	—
Tiles API Backend	1	0.5 GB	2	Yes	No	Apache Cassandra	See below
Apache Cassandra	1	16 GB	3	Yes	No	Own storage	500 GB
Kubernetes Importer Job	1	4 GB	1	No	No	—	—

For production environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
MapGL JS API	2	2 GB	2	Yes	No	—	—
Tiles API Backend	4	0.5 GB	2	Yes	No	Apache Cassandra	See below
Apache Cassandra	4	16 GB	3	Yes	No	Own storage	500 GB
Kubernetes Importer Job	4	4 GB	1	No	No	—	—

Requirements for Navigation services

For testing environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Navi-Front
Navi-Router
Navi-Back
Navi-Castle						K8S Persistent Volume	See below
Distance Matrix Async API						Apache Kafka PostgreSQL S3 storage	See below
K8S Persistent Volume^*	—	—	—	—	—	Own storage	5 for each Navi-Castle replica

For production environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Navi-Front
Navi-Router
Navi-Back
Navi-Castle						K8S Persistent Volume	See below
Distance Matrix Async API						Apache Kafka PostgreSQL S3 storage	See below
K8S Persistent Volume^*	—	—	—	—	—	Own storage	5 for each Navi-Castle replica

* This storage requirement is optional. However, it is highly recommended to configure Persistent Volume and Persistent Volume Claim storage features in your Kubernetes cluster.

Requirements for Urbi Pro

For testing and production environments (minimal requirements for 1 pod):

Service	CPU cores	RAM	Min replicas	Storage Type	Storage Size
PRO API	0,4	256 MB	1	—	—
assetImporter	0,7	512 MB	1	Own storage	3 GB
PostgreSQL				Own storage	1 GB
S3-compatible storage				Own storage	10 GB
Redis		200 MB (max)
ElasticSearch		2 GB		Own storage	10 GB

Requirements for GIS Platform

For testing environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Portal frontend	2	1 GB	2	Yes	No	—	—
SPCore backend	8	4 GB	2	Yes	No	PostgreSQL S3 storage	See below
PostgreSQL	4	2 GB	3	Yes	No	Own storage	100 GB
S3-compatible storage	—	—	—	Yes	No	Own storage	4^*
ZooKeeper	2	2 GB	2	Yes	No	—	—

For production environment:

Service	CPU cores	RAM	Min replicas	Requires load balancer	Requires Internet Access	Storage Type	Storage Size
Portal frontend	2	1 GB	2	Yes	No	—	—
SPCore backend	8	4 GB	2	Yes	No	PostgreSQL S3 storage	See below
PostgreSQL	16	32 GB	2	Yes	No	Own storage	100 GB
S3-compatible storage	—	—	—	Yes	No	Own storage	4^*
ZooKeeper	4	8 GB	2	Yes	No	—	—

* Note that these storage requirements are calculated for the use case of storing huge volume of high-resolution tiled images, for example, satellite imagery. If you do not plan to store such type of data, then storage requirements may be lowered.

Requirements for Traffic API Proxy

For testing environment:

Service CPU
cores RAM Min replicas Requires
load balancer Requires
Internet Access Storage Type Storage Size

NGINX reverse proxy 1 2 GB 2 Yes Yes — —
For production environment:

Service CPU
cores RAM Min replicas Requires
load balancer Requires
Internet Access Storage Type Storage Size

NGINX reverse proxy 2 2 GB 2 Yes Yes — —