Elasticsearch: Pattern in high CPU usage after we started using elasticsearch high level client - Stack Overflow
Native Elasticsearch on Kubernetes - Simple with ECK - DevOps Conference
High system CPU usage with Elasticsearch on Kubernetes (using ECK) using ES v7.10.0+ (but not in v7.6.1). · Issue #81227 · elastic/elasticsearch · GitHub
Reduce elasticsearch cpu usage in graylog - Graylog Central (peer support) - Graylog Community
High system CPU usage with Elasticsearch on Kubernetes (using ECK) using ES v7.10.0+ (but not in v7.6.1). · Issue #81227 · elastic/elasticsearch · GitHub
Top 10 Elasticsearch Metrics to Monitor Performance - Sematext