~/talk

OpenSearch at Atlassian Scale

Talkat OpenSearchCon North America 2025 · 2025-09-08..09-10· [security]
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Atlassian runs OpenSearch across 300+ clusters, 2,000+ data nodes, and some clusters with 20 billion documents to serve 300,000 customers and 2 million monthly AI users. The platform team built a control plane on Kubernetes using Argo CD, Carpenter, Prometheus and OpenTelemetry, migrated Jira query processing from PostgreSQL to OpenSearch and ships Robo in six months. Multi-tenancy forces single-index routing, shard-level visibility gaps in AWS managed service, and automation plus tailored observability are essential to keep latency low and availability high.

AI-written summary · about

  1. 0:00OpenSearch at Atlassian
  2. 1:04Jira’s migration challenges
  3. 2:28Teamwork Graph explained
  4. 3:32OpenSearch infrastructure numbers
  5. 4:14Multi-tenancy challenges
  6. 5:16Control plane for OpenSearch fleets
  7. 6:19Cultural shift to centralized infra
  8. 7:02Balancing AI growth and tech debt
  9. 8:04Custom OpenSearch on Kubernetes
  10. 8:47Kubernetes stateful service complexities
  11. 9:49Observability at scale
  12. 10:31OpenSearch community support
  13. 11:15Future of OpenSearch at Atlassian
  14. 12:38Q&A
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