EFK on Kubernetes - Introduction
Understanding the EFK Stack
The EFK stack collects, stores, and visualizes logs from applications running in Kubernetes.
Components:
Elasticsearch : Stores and indexes log data for quick searching.
Fluentd : Collects and forwards logs to Elasticsearch.
Kibana : Provides visualizations and analytics for logs.
Why EFK?
Centralized Logging: Aggregates logs from all nodes and pods.
Scalability: Handles large amounts of log data.
Visualization: Kibana provides dashboards for log analysis.
Commonalities Among EFK Components
Component | Role | Default Port |
Elasticsearch | Stores & indexes logs | 9200 |
Fluentd | Collects & ships logs | N/A |
Kibana | Visualizes logs | 5601 |
Conclusion
The EFK stack provides a scalable, efficient, and centralized logging solution for Kubernetes environments. By deploying Elasticsearch, Fluentd, and Kibana, organizations can streamline log management, monitor system performance, and troubleshoot efficiently.