JS7 JobScheduler

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Use of a JS7 - Agent Clusteris subject to the JS7 - License.

We find two separate tiers for clustering of Agentsin the architecture of Agent Clusters, see JS7 - System Architecture:

  • Controller (Cluster) → Director Agent (Cluster)
  • Director Agent (Cluster) → Subagent Cluster

We find two separate tiers layers for clustering of Agentsoperation and use of Agent Clusters:

  • Operational Layer: Subagents and Director Agent Instances
    • Subagents and Director Agent instances are similarly installed.
    • Director Agent instances orchestrate Subagents. They include a Subagent that can be used if users wish to execute jobs from a Director Agent.
  • Functional Layer: Subagent Cluster and Director Agent Cluster
    • Jobs are assigned Subagent Clusters to specify that the jobs can be executed by any Subagent that is a member of the Subagent Cluster. The Subagent Cluster rules if a different Subagent will be chosen in case of fail-over only (fixed-priority scheduling, active-passive cluster) or for each next execution of a job (round-robin, active-active cluster).
    • The Director Agent Cluster is independent from Subagent Clusters. The purpose of clustering is to provide high availability for the role of orchestrating Subagents.

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This article is focused on fail-over of Subagents. For fail-over scenarios with Director Agent Clusters see JS7 - How to test fail-over of Subagents in an Agent Clusterand switch-over between Director Agent instances

For command line references see the JS7 - Agent - Command Line Operation article.

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