EFK stack’s prime objective is to reliably and securely retrieve data from the K8s cluster in any format, as well as to facilitate anytime searching, analysing, and visualising of the data.
- Elasticsearch is a scalable and distributed search engine that is commonly used to store large amounts of log data.
- Fluent Bit is a logging and metrics processor and forwarder that is extremely fast, lightweight, and highly scalable.
- Kibana is a graphical user interface (GUI) tool for data visualization, querying, and dashboards.
- Having a centralized overview of all log events
- Normalizing different log types
- Automated processing of log messages
- Supporting several and very different event sources