Welcome to APM Server Docs.
The documentation pages are still work in progress. For more details also check APM Server Github repository.
APM Server is a central component in the Elastic APM system. It receives data from APM agents and transforms them into Elasticsearch documents.
A single APM server can handle data from multiple services. APM Server works by exposing an HTTP server to which agents post the APM data they collect. This includes performance information about the services, as well as errors that occur in them.
APM Server is an application built in Go using the beats framework and as such it shares many of the same configuration options as beats.
In the following you can read more about the APM Server
To get an overview of the whole Elastic APM system, please also have a look at the documentation for