Elasticsearch at OLX: Design, Operation and Maintenance of High-Performance Clusters
summary
Describes how OLX designs, operates and maintains multiple Elasticsearch clusters with different usage profiles and goals, sharing real-world learnings and best practices. Covers cluster architecture and common failure and performance-degradation scenarios, and presents concrete solutions and alternatives for each case based on OLX’s experience serving over 7 million daily users.
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chapters (11)
- 0:00Introduction
- 5:20What is Elasticsearch
- 12:22Cluster basics
- 16:15OLX use case
- 21:12Initial architecture and challenges
- 25:46First service version
- 30:46Performance issues
- 34:36AWS optimizations
- 37:31Scaling with Spark
- 41:45Final solution and monitoring
- 44:13Conclusions and lessons
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