Node groups in Managed Service for OpenSearch
Each Managed Service for OpenSearch cluster consists of one or more node groups of the OpenSearch
and Dashboards
types.
OpenSearch
An OpenSearch
node group may contain nodes with the DATA or MANAGER roles.
If there is only one OpenSearch
node group in a cluster, its nodes have both the DATA
and MANAGER
roles.
Dashboards
A node group of the Dashboards
type may only contain nodes with the DASHBOARDS role.
Warning
In each cluster, the first node group has the type Dashboards
, and its parameters are fixed. You cannot modify or delete this group, and it must be the only Dashboards
group in the cluster.