Category: Glossary

The USE method monitors infrastructure resources by tracking Utilization, Saturation, and Errors for every resource.

The four golden signals are latency, traffic, errors, and saturation — the key metrics every production service should monitor.

Grafana Tempo is an open-source distributed tracing backend that stores traces in object storage, requiring only a trace ID for retrieval.

eBPF is a Linux kernel technology that allows programs to run safely in kernel space, enabling deep observability and security without code changes.

Grafana Mimir is an open-source, horizontally scalable long-term storage backend for Prometheus metrics at massive scale.

Thanos extends Prometheus with long-term storage, global querying across clusters, and high availability for production monitoring.

Drift detection identifies differences between the desired infrastructure state defined in code and the actual deployed state.

The ELK Stack is an open-source log management solution: Elasticsearch for search, Logstash for processing, Kibana for visualization.

Fluentd is an open-source data collector that unifies log collection, processing, and routing from multiple sources to various destinations.

Tekton is a Kubernetes-native CI/CD framework that defines pipelines as custom resources, running tasks as pods.