Definition of role instance in the FusionInsight system

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An instance is formed when a service role is installed on a host. Each service has a corresponding role instance.

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Definition of role instance in the FusionInsight system
An instance is formed when a service role is installed on a host. Each service has a corresponding role instance.

Definition of role in the FusionInsight system
A role is an element of a service. A service consists of one or multiple roles. Services are installed on hosts (servers) through roles, ensuring proper service running. For example, the HBase service consists of three roles, namely, HMaster (HM), RegionServer (RS), and ThriftServer (TS).

What is a role instance in the FusionInsight system?
An instance is formed when a service role is installed on a host. Each service has a corresponding role instance.

What is the definition of role in the FusionInsight system?
A role is an element of a service. A service consists of one or multiple roles. Services are installed on hosts (servers) through roles, ensuring proper service running. For example, the HBase service consists of three roles, namely, HMaster (HM), RegionServer (RS), and ThriftServer (TS).

How to understand the role instance in the FusionInsight system?
An instance is formed when a service role is installed on a host. Each service has a corresponding role instance.

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