Grafana Tempo is an open-source distributed tracing backend that stores traces in object storage, requiring

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

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

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

Fluentd is an open-source data collector that unifies log collection, processing, and routing from multiple

Alertmanager handles alert routing, deduplication, grouping, and silencing for Prometheus monitoring.

An SLI is a quantitative measure of a specific aspect of service performance, such as

An SLA is a formal contract between a service provider and customer defining expected service

MTTD measures the average time between when a problem occurs and when the team becomes

A Pod Disruption Budget limits the number of pods that can be voluntarily disrupted at