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Streaming

Version

Streaming is supported by the Apache ECharts visualization panel starting from version 4.1.0.

Streaming allows real-time data updates using streaming Data Sources and Grafana Live.

Grafana Live​

Grafana Live is a real-time messaging engine introduced in Grafana v8.0. With Grafana Live, you can push event data to a frontend as soon as an event occurs.

Apache ECharts allows displaying messages from Grafana Live real-time engine.
Apache ECharts allows displaying messages from Grafana Live real-time engine.

Example​

docs/volkovlabs-echarts-panel/live.js
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WebSocket API​

To stream real-time data, we used the WebSocket Data Source for Grafana.

Streaming real-time events from Websocket Data source.
Streaming real-time events from Websocket Data source.

Server​

Example of Node.js WebSocket Server implementation.

websocket/server.js
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Provisioning​

WebSocket API Data Source can be provisioned using configuration files or in the Grafana UI.

docs/volkovlabs-echarts-panel/websocket.yml
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Example​

docs/volkovlabs-echarts-panel/streaming.js
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