Open Source as a Service to Modernize Healthcare
summary
Optum runs Kafka Cassandra and Elasticsearch as self‑service platforms, deploying Kubernetes on 400+ bare metal servers and adding Kafka on Kubernetes in April 2020. The platform supports over 500 nodes across two data centers and almost 600 customers, with >1,000 PRs in prod and cluster‑as‑a‑service for large footprints. Engineering focuses on telemetry, docs, GitHub workflows, PagerDuty on‑call, automated infra and clear use‑case vetting; scaling and in‑place cluster growth remain active problems.
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chapters (19)
- 0:00Introduction
- 1:40About Kate
- 3:31Why Optum
- 6:04Kafka
- 13:43Community
- 14:25Common Language
- 15:25Telemetry
- 16:18Automation
- 17:10Documentation
- 19:08Google it first
- 19:50Create a community
- 22:53Our team
- 24:30Questions
- 24:57Avoiding blind spots
- 28:41Graduate student opportunities
- 30:40Career changes and starts
- 32:07Most important value when hiring
- 34:07Degree requirement
- 35:07Job openings
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