~/talk

5 Things I Learnt from Causing a Cloud Provider Outage

Talkat PyData London 2024 · 2024-06-14..06-16· [devops-and-delivery, observability]
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A team causes an outage across Europe by overloading a cloud data lake and loses access to petabytes needed for threat hunting. The rebuild uses Lambda‑style FaaS + scatter‑gather across thousands of tables, Kubernetes operators, Kafka/SNS messaging and a workflow orchestrator like Apache Airflow. Concrete fixes: store job metadata in a document DB, make tasks idempotent, alert on user‑facing retries not CPU, and give the cloud provider exact account/resource IDs.

AI-written summary · about

  1. 0:00Introduction
  2. 10:16Breaking the wrong block first
  3. 13:27Build with failure in mind
  4. 17:42User experience for tech users
  5. 23:22Optimizing complex queries
  6. 25:49Observability beyond metrics
  7. 29:06Designing for reliability
  8. 32:20Resources and closing
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