Netdata Cloud is built as microservices and is orchestrated by a Kubernetes cluster, providing a highly available and auto-scaled observability platform.
The overall architecture looks like this:
flowchart TD
Agents("🌍 <b>Netdata Agents</b><br/>Users' infrastructure<br/>Netdata Children & Parents")
users[["🔥 <b>Unified Dashboards</b><br/>Integrated Infrastructure<br/>Dashboards"]]
ingress("🛡️ <b>Ingress Gateway</b><br/>TLS termination")
traefik((("🔒 <b>Traefik</b><br/>Authentication &<br/>Authorization")))
emqx(("📤 <b>EMQX</b><br/>Agents Communication<br/>Message Bus<br/>MQTT"))
pulsar(("⚡ <b>Pulsar</b><br/>Internal Microservices<br/>Message Bus"))
frontend("🌐 <b>Front-End</b><br/>Static Web Files")
auth("👨💼 <b>Users & Agents</b><br/>Authorization<br/>Microservices")
spaceroom("🏡 <b>Spaces, Rooms,<br/>Nodes, Settings</b><br/>Microservices for<br/>managing Spaces,<br/>Rooms, Nodes and<br/>related settings")
charts("📈 <b>Metrics & Queries</b><br/>Microservices for<br/>dispatching queries<br/>to Netdata Agents")
alerts("🔔 <b>Alerts & Notifications</b><br/>Microservices for<br/>tracking alert<br/>transitions and<br/>deduplicating alerts")
sql[("✨ <b>PostgreSQL</b><br/>Users, Spaces, Rooms,<br/>Agents, Nodes, Metric<br/>Names, Metrics Retention,<br/>Custom Dashboards,<br/>Settings")]
redis[("🗒️ <b>Redis</b><br/>Caches needed<br/>by Microservices")]
elk[("🗞️ <b>Elasticsearch</b><br/>Feed Events Database")]
bridges("🤝 <b>Input & Output</b><br/>Microservices bridging<br/>agents to internal<br/>components")
notifications("📢 <b>Notifications Integrations</b><br/>Dispatch alert<br/>notifications to<br/>3rd party services")
feed("📝 <b>Feed & Events</b><br/>Microservices for<br/>managing the events feed")
users --> ingress
agents --> ingress
ingress --> traefik
ingress ==>|agents<br/>websockets| emqx
traefik -.- auth
traefik ==>|http| spaceroom
traefik ==>|http| frontend
traefik ==>|http| charts
traefik ==>|http| alerts
spaceroom o-...-o pulsar
spaceroom -.- redis
spaceroom x-..-x sql
spaceroom -.-> feed
charts o-.-o pulsar
charts -.- redis
charts x-.-x sql
charts -..-> feed
alerts o-.-o pulsar
alerts -.- redis
alerts x-.-x sql
alerts -..-> feed
auth o-.-o pulsar
auth -.- redis
auth x-.-x sql
auth -.-> feed
feed <--> elk
alerts ----> notifications
%% auth ~~~ spaceroom
emqx <.-> bridges o-..-o pulsar