![](https://i.imgur.com/ZbuHWq1.jpg)
# why Monitoring
- Alerting
- long-term trends
# Why Coreos + Prometheus?
- Prometheus + Kubernetes
- Automating Monitoring infrastructure
# Heapster VS Prometheus
### Heapster Arch
![Heapster Architecture](https://d33wubrfki0l68.cloudfront.net/a5c0d5e887a336fb0c686b3a6c436b21d51588a4/8e530/images/docs/monitoring-architecture.png)
### Prometheus Arch
![prometheus Architecture](https://prometheus.io/assets/architecture.svg)
* Heapster 采集数据单一
* Influxdb 缺少开源精神
# what is Prometheus
- Open Source Monitoring
- Built by Soundcloud
- Inspired by borgmon
- 9,8k stars on GitHub
- Metrics, not logging, not tracing
![](https://i.imgur.com/KBSVhN9.jpg)
# What is Alertmanager
![alert](https://i.imgur.com/QoaLrr4.jpg)
# Cluster Monitoring
![cluster](https://i.imgur.com/WrYG8EG.jpg)
# Monitoring Workload
![](https://i.imgur.com/18O62Fy.jpg)