Thanos
Depends
Confidence: Medium
Buy if you run Prometheus across many clusters and need cheap, years-long metrics retention.
Comparison
Thanos vs Cortex
Cortex
Starting report…
Pick Thanos when
- Large Kubernetes fleets
- Multi-cluster Prometheus setups
- Teams needing years of metrics retention
- Cost-sensitive long-term storage
When Thanos is not a fit
- Single Prometheus instance . plain retention is enough
- Small teams without dedicated SRE/Kubernetes staff
- Anyone wanting a hosted, zero-ops monitoring SaaS
- Non-Prometheus metrics stacks
Sources
- Thanos official sitethanos.ioofficial
- Thanos GitHub repositorygithub.comofficial
- Thanos design docthanos.ioofficial
- Thanos getting startedthanos.ioofficial
- Thanos at Medalliathanos.ionews
- Thanos security policythanos.iosecurity
- Thanos release processmaster--thanos-io.netlify.appofficial
- Thanos vs Grafana Agent comparisonlibhunt.comreview