Monitoring and Logging

CORD is usually configured with monitoring and logging capabilities, built around Prometheus and ELK Stack, respectively. Both consume events/metrics/logs posted to Kafka. The data they collect can be viewed on their respective dashboards:

The following figure give a high-level overview of the monitoring and logging system.

Monitoring and Logging System

The monitoring and logging pipelines both share a Kafka bus, with event topics assigned accordingly (e.g., component.kpis.* and component.log.*). Components also post other events to Kafka, but their topics are currently ad hoc and rapidly evolving. Rationalizing the event schema is on the near-term roadmap.

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