3.2 KiB
3.2 KiB
Terminology
Cluster Terms
| Phrase | Definition |
|---|---|
| agent | A process running in server or client mode. |
| client/node | A Nomad client is responsible for running tasks assigned to it. A client registers itself with servers and watches for work to be assigned. When running the agent, the client may be referred to as a node. |
| server | A Nomad server manages all jobs and clients, monitors tasks, and controls which tasks get placed on which nodes. |
| dev_agent | The development agent is an agent configuration that provides useful defaults for running a single node cluster of nomad. |
Work terms
| Phrase | Definition |
|---|---|
| task | The smallest unit of work in Nomad. Tasks are executed by task drivers like docker or exec, which allows Nomad to be flexible in the types of tasks it supports. Tasks specify their required task driver, configuration for the driver, constraints, and resources required. |
| group | A series of tasks that run on the same Nomad client. |
| job | The core unit of control for Nomad and defines the application and its configuration. It can contain one or many tasks |
| job_specification/jobspec | A job specification, a |