Amazon OpenSearch Serverless monitoring: A CloudWatch setup guide

This article provides a comprehensive guide to monitoring Amazon OpenSearch Serverless using Amazon CloudWatch, focusing on key metrics, alarm configurations, and best practices for maintaining optimal performance and cost efficiency.

• CloudWatch offers near real-time performance monitoring, efficient error diagnosis, proactive alerting, and historical analysis
• Key metrics to monitor include:
  • IndexingOCU and SearchOCU at the account level
  • Ingestion and search request latency
  • Request errors
  • Collection availability
• Alarms can be created using:
  • AWS Management Console
  • AWS CLI
  • CloudFormation templates
• Recommended to adjust alarm thresholds based on specific application requirements and SLAs

The guide emphasizes the importance of proactive monitoring to maintain performance, optimize costs, and ensure reliability of OpenSearch Serverless collections.