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You're viewing documentation for a previous version of ScyllaDB Monitoring. Switch to the latest stable version.
ScyllaDB Monitoring Stack is a full stack for ScyllaDB monitoring and alerting. The stack contains open source tools including Prometheus and Grafana, as well as custom ScyllaDB dashboards and tooling.
The ScyllaDB Monitoring Stack consists of multiple components, wrapped in Docker containers:
prometheus - Collects and stores metrics
grafan-loki - Parses logs and generates metrics and alerts
alertmanager - Handles alerts
grafana - Dashboards server
A few optional components are used for additional services
grafana-image-renderer - Allows you to download a dashboard as an image.
Thanos sidecar - Allows a centralized Thanos server to read from the local Prometheus server.
We use Prometheus for metrics collection and storage, and to generate alerts. Prometheus collects Scylla’s metrics from ScyllaDB and the host metrics from the node_exporter agent that runs on the ScyllaDB server.
We use Loki for metrics and alerts generation based on logs, Loki gets the logs from rsyslog agents that run on each of the DB servers.
The alertmanager, receives alerts from Prometheus and Loki and distributes them to other systems like email and slack.
We use Grafana to display the dashboards. Grafana gets its data from Prometheus, the alertmanager and directly from ScyllaDB using CQL.
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