- Overview
- Requirements
- Hardware requirements
- Software requirements
- Installation
- Upgrade
- Troubleshooting
High Availability Add-on installation guide
Hardware requirements
The hardware requirements for your High Availability Add-on (HAA) are different between development and production environments.
The following table describes the minimum requirements and recommended values for each item:
|
Item |
Minimum Requirements |
Recommended |
|---|---|---|
|
HAA Nodes |
1 |
3+ |
|
RAM |
6 GB |
8 GB |
|
Storage (default path
/opt/redislabs)
|
10 GB |
20 GB |
While one node is sufficient for a development environment, three or an odd number of nodes are recommended in order to utilize the clustering features likely needed for your production environment.
The following table describes the minimum requirements and recommended values for each item:
|
Item |
Minimum Requirements |
Recommended |
|---|---|---|
|
HAA Nodes |
3 |
3+ |
|
Cores per Node |
4 |
8+ |
|
RAM |
6 GB (15 GB for deployments) |
30+ GB |
|
Storage (default path
/opt/redislabs)
|
75 GB |
150+ GB |
|
Network |
1 G |
10+ G |
The following table describes each port and their respective protocol:
|
Port |
Protocol |
Description |
|---|---|---|
|
1968 |
TCP |
Default port used for internal proxy traffic. |
|
3333-3344 36379-36380 |
TCP |
Default port ranges used for internal cluster traffic. |
|
8001 |
TCP |
Used for traffic from the application to the Discovery Service, if applicable. |
|
8443 |
TCP |
Used for
HTTPS access to the management UI.
|
|
8444,9080 |
TCP |
Default ports used for internal
nginx < - > cnm_http/cm traffic.
|
|
9081 |
TCP |
Default port used for internal CRDB (Conflict-free Replicated Database) traffic. |
|
8070-8071 |
TCP |
Used for metrics exported and managed by
nginx.
|
|
9443 |
TCP |
Recommended port for REST API traffic. |
|
10000-19999 |
TCP |
Port range for database traffic. By default, HAA uses port
10000.
|
|
20000-29999 |
TCP |
Port range used for internal database shards traffic. |
|
53,5353 |
UDP |
Used for internal
DNS/mDNS traffic.
|
|
8002,8004,8006 |
TCP |
System health monitoring. |
|
ICMP |
Used to check connectivity between nodes. |
