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The JS7 JobScheduler brings its wording for scheduling objects. Find explanations from the following sections about:
- the wording for componentsproducts, objects and operations used with JS7,
- the mapping of terms used with the predecessor product JS1 (branch 1.x).
Terminology for
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Products used with JS7
Generic Term | Specific Term | Meaning |
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Controller | Standalone Controller | A Controller knows which Workflows and Jobs to execute, when to execute and which Agents are to be used for execution. A Controller receives the job-related inventory from the JOC Cockpit and deploys this information to Agents which execute Workflows and Jobs on the respective servers. A Standalone Controller is a singe instance which orchestrates Agents. |
Controller Cluster | A Controller is clustered for high availability with two instances, one being active and one being in standby mode. A manual switch-over and an automated fail-over between instances can occur. For details see JS7 - Controller Cluster. | |
Agent | Standalone Agent | Agents execute Jobs that call executable files and commands on the Agent's server. Agents receive the information from a Controller about which Jobs to start and when to start them. Agents report back execution results and log output to the Controller. Agents can act autonomously without a Controller being connected at the point in time of job execution. Standalone Agents act independently of each other. |
Agent Cluster, Subagent | Agent instances that are clustered for high availability and for performance are called Subagents. If a Subagent fails in an active-passive Cluster then automated fail-over takes place. In an active-active Cluster a number of Subagents run Tasks for the same applications in parallel and can replace each other. A Cluster is a logical layer that allows selection of any number of Subagents for Task execution. Selection can be in fixed-priority mode or in round-robin mode. Subagents can participate in any number of Clusters. For details see JS7 - Agent Cluster. | |
Director Agent | Agent Clusters work autonomously, they include primary and secondary Director Agent instances that act as a passive Cluster and that implement automated fail-over. Director Agents communicate with a Controller and orchestrate Subagents in the Cluster. | |
JOC Cockpit | Standalone JOC Cockpit | JOC Cockpit is the user interface for managing the job-related inventory and to monitor & control Workflow execution with Controllers and Agents. A Standalone JOC Cockpit is a single instance that can be used to manage one or more Controllers. |
JOC Cockpit Cluster | A number of JOC Cockpit instances act in a passive cluster providing high availability and allowing manual switch-over and automated fail-over between instances. For details see JS7 - JOC Cockpit Cluster. |
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