~/talk

Back to the Future of Time Series Data

Talkat NDC Melbourne 2025 · 2025-04-29..05-01· [databases, data-engineering]
slides:none on file

Hands-on demo using .NET, InfluxDB and Grafana shows how line protocol and batch writing deliver millisecond-scale ingestion; the generator emits 20 points every 5s across five Deloreans and up to 500 unique combinations to illustrate high-cardinality pain. Queries use time-bucketing, select-specific-fields and rollups to turn slow scans into millisecond reads, and panels compute derivatives and simple forecasts (hours-until-empty, temp rise >2°C/30min) — dashboard and GitHub repo are functional.

AI-written summary · about

  1. 0:00Introduction to time series
  2. 1:38Defining time series data
  3. 4:50Historical data analysis
  4. 7:54Pattern detection techniques
  5. 9:05Database growth management
  6. 11:33Efficient real-time writing
  7. 16:12Taming high cardinality
  8. 17:45Future prediction methods
  9. 21:19DeLorean dashboard demo
  10. 23:33Code and configuration walkthrough
  11. 43:56Conclusion and wrap-up
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