Customers that use Amazon Connect will be hosting the AWS-Managed Opensearch domain on their AWS.
This document would show the sizing recommendations based on number of active agents on their Amazon Connect instance.
Please note though, that the number of active agents is not the only factor for Opensearch domain CPU/Memory load. Dashboard complexity
<1000 Agents (Standard Deployment)
This the default sizing typically used for new customers.
Standard
Master Nodes: None
Data Nodes
1 Data Node
Size: m6g.large
If customer requires HA/Multi-AZ for their deployment
This configuration would be able to handle loss of an AZ
Master Nodes
2 Master Nodes
Size: c6g.large
Data Nodes
2 Data Nodes
Size: m6g.large
1000-2000 Agents
Standard
Master Nodes: None
Data Nodes
1 Data Node
Size: m6g.xlarge
If customer requires HA/Multi-AZ for their deployment
This configuration would be able to handle loss of an AZ
Master Nodes
2 Master Nodes
Size: c6g.large
Data Nodes
2 Data Nodes
Size: m6g.xlarge
1000-2000 Agents
Standard
Master Nodes: None
Data Nodes
1 Data Node
Size: m6g.xlarge