Improve OpenSearch Service cluster resiliency and performance with dedicated coordinator nodes
Big Data Blog
The article discusses dedicated coordinator nodes in Amazon OpenSearch Service, which offload coordination tasks from data nodes to improve cluster resiliency and performance.
Specifically, the article covers:
- Benefits of dedicated coordinator nodes, including higher indexing and search throughput, more resilient clusters, efficient scaling, and smaller IP reservations for VPC domains
- How to pick the right configuration for coordinator nodes based on use cases like indexing, high search throughput, and complex aggregations
- Monitoring coordinator node metrics like CPU utilization, JVM memory pressure, and circuit breaker statistics
- How to provision dedicated coordinator nodes in an existing or new OpenSearch Service domain
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