Observability
VictoriaMetrics: why and how, from single node to cluster
What VictoriaMetrics brings compared with Prometheus alone, its components (single-node, vmagent, vmalert, vminsert/vmselect/vmstorage cluster) and its st…
Guides & insights
A library for curious minds
Observability
Ingesting metrics into VictoriaMetrics: scraping, vmagent and remote write
All the ways to feed VictoriaMetrics: remote write from Prometheus, built-in scraping, vmagent and its disk buffer, relabeling, stream aggregation, and ot…
Observability
VictoriaMetrics cluster: vminsert, vmselect, vmstorage and multi-tenancy
The VictoriaMetrics cluster architecture: the roles of vminsert, vmselect and vmstorage, data distribution and replication, multi-tenant URLs, sizing and …
Observability
Operating VictoriaMetrics: vmalert, backups, Kubernetes and monitoring
Evaluate rules and alerts with vmalert, back up with vmbackup, deploy on Kubernetes with the operator and the Helm stack, and monitor VictoriaMetrics.
Observability
Thanos, Grafana Mimir or VictoriaMetrics: which long-term storage for Prometheus?
Detailed comparison of three long-term storage solutions for Prometheus: architecture, storage, high availability, multi-tenancy, downsampling, costs, ope…
Observability
VictoriaMetrics best practices
Production checklist for VictoriaMetrics: sizing, retention, high availability, vmagent, cardinality, backups and monitoring.
Observability
Prometheus vs VictoriaMetrics: metrics scalability
Why choose VictoriaMetrics as an alternative to Prometheus for long-term storage and high performance?
Observability
MetricsQL: PromQL with superpowers
The differences between MetricsQL and PromQL: implicit windows, extra functions (range, rollup, label), WITH templates, and cardinality analysis in vmui.
Observability
Operating Thanos: monitoring, performance, troubleshooting and alternatives
Thanos operating best practices: key metrics and alerts, mixin, caches, limits, frequent errors and comparison with Mimir, Cortex and VictoriaMetrics.
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