HA Requirements¶
Customer Managed Applies to customer-managed instances of Alation
Applies from version 4.8 and above
System Sizing¶
The Primary and Secondary systems should be identically sized. Note that it is especially important that the Secondary system has the same amount of Data and Backup disk space as the Primary.
Ports information¶
For replication setup we need the following ports open between all servers in a cluster.
Service |
Port |
Purpose |
|---|---|---|
postgres |
5432 |
accounts, articles, query logs |
kvstore |
8088 |
sql text |
replication-service |
2022 |
used for signaling and file replication |