eBPF is a Linux kernel technology that allows programs to run safely in kernel space, enabling deep observability and security without code changes.
What Is Grafana Tempo?
Grafana Tempo is an open-source distributed tracing backend that stores traces in object storage, requiring only a trace ID for retrieval.
What Is Grafana Mimir?
Grafana Mimir is an open-source, horizontally scalable long-term storage backend for Prometheus metrics at massive scale.
What Is Thanos?
Thanos extends Prometheus with long-term storage, global querying across clusters, and high availability for production monitoring.
What Is the ELK Stack?
The ELK Stack is an open-source log management solution: Elasticsearch for search, Logstash for processing, Kibana for visualization.
What Is Fluentd?
Fluentd is an open-source data collector that unifies log collection, processing, and routing from multiple sources to various destinations.
What Is Alertmanager?
Alertmanager handles alert routing, deduplication, grouping, and silencing for Prometheus monitoring.
What Is an SLI?
An SLI is a quantitative measure of a specific aspect of service performance, such as availability, latency, or error rate.
What Is an SLA?
An SLA is a formal contract between a service provider and customer defining expected service levels and penalties for breaches.
What Is MTTD?
MTTD measures the average time between when a problem occurs and when the team becomes aware of it.