Ask your logs
summary
Shows how to stop treating logs as text and build a queryable pipeline that actually finds root causes. Converts Rails logs to JSON-structured Rails logger, ships them to Elasticsearch + Kibana, and demonstrates concrete queries using a log query DSL to answer questions like error rate by release, session traces across services, and which parameter value caused CPU spikes. The pipeline is implemented end-to-end and proves useful for real debugging.
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chapters (4)
- 0:00Introduction to logs
- 8:40First logging approach
- 17:13Debugging with logs
- 22:57Improving log quality
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