Description of Admin Processes

The role of a NuoDB AdminAn interface for domain and database management. NuoDB Admin (nuoadmin) may be used instead of nuoagent and nuorestsvc services. When using nuoadmin, use nuocmd instead of the nuodbmgr Command Line Interface (CLI) tool. process is to provide database life cycle control (start, stop) for database processes, that is for Transaction Engines (TEs) and/or Storage Managers (SMs). An admin process provides the following:

Each admin process has a complete picture of the entire domain, including all hosts, and all databases and their processes. As you can see, a domain is functional only with at least one admin process. For continuous availability, each data center (and availability zone) should run at least one admin process.