Overview of the Elastic stack
The Elastic stack, formerly called ELK, provides the different layers that are needed to implement a data-driven architecture.
It starts from the ingestion layer with Beats, Logstash, and the ES-Hadoop connector, to a distributed data store with Elasticsearch, and finally to visualization with Kibana, as shown in the following figure:
Elastic stack structure
As we can see in the diagram, Kibana is just one component of it.
In the following chapters, we'll focus in detail on how to use Kibana in different contexts, but we'll always need the other components. That's why you will need to understand the roles of each of them ...
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