High Availability
One of the most requested capabilities is the high-availability(HA) setup. We designed the BI App specifically keeping that in mind.
All BI App system components could exist in clusters, where a cluster is a set of mirrored servers. It is done to primarily facilitate uninterrupted service by distributing the load most efficiently.
Deployment
- BI Engine Cluster:
- Requests to Server API are distributed behind the Load Balancer.
- Schedulers distribute alert rules automatically.
- Grafana Cluster visualizes data and provides HTTP API for BI Engine to retrieve configuration and data.
- Prometheus Cluster stores BI Engine performance data.
- PostgreSQL Cluster stores:
- BI Engine database.
- Grafana configuration database.
- Production data.
Below is the picture to illustrate the current HA setup.
