Before learning about X-Pack, let's understand how X-Pack came into existence. We have discussed the need for Elastic Stack, where earlier there were different versions maintained for Elasticsearch, Logstash, Kibana, and Beats. Therefore, to avoid confusion for the users, Elastic Team. simplified and came up with Elastic Stack where there would be a single release version for Elasticsearch, Logstash, Kibana, and Beats. After the rise in use of these products, there was a need for supporting products that would help the end user such as a need for authorization and authentication of Elasticsearch clusters and Kibana, a need for monitoring the Elasticsearch cluster using a simple yet intuitive UI, and a need for robust alerting and notification mechanisms.
X-Pack is an extension package for Elastic Stack, which combines the various product offerings apart from the components of Elastic Stack, such as Shield, Marvel, Watcher, and Graph, and provides additional features...