ActiveSupport::Notifications and Live Status Pages
summary
Shows how ActiveSupport::Notifications instruments controllers, SQL and custom code, and how subscribers write time-series points into influx DB so queries return counts averages max median over time. Uses a JS stack based on d3 (with a wrapper) for graphs and ActionController Live style server push to avoid polling. Wraps the whole thing as a Rails engine gem and ships a prototype at semantic version 0.0.1 on GitHub.
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chapters (5)
- 0:00Start
- 4:20What makes a good question
- 5:26What's already instrumented
- 8:18What it looks like in practice
- 9:54Timeseries Databases
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