General configuration options

General APM Server configuration options.

apm-server:
  host: "localhost:8200"
  rum:
    enabled: true

max_procs: 4

Defines the host and port the server is listening on. Use "unix:/path/to.sock" to listen on a Unix domain socket. Defaults to localhost:8200. (text)

The publicly reachable server URL. For deployments on Elastic Cloud or ECK, the default is unchangeable.

Maximum permitted size of a request’s header accepted by the server to be processed (in Bytes). Defaults to 1048576 Bytes (1 MB). (int)

Maximum amount of time to wait for the next incoming request before underlying connection is closed. Defaults to 45s (45 seconds). (text)

Maximum permitted duration for reading an entire request. Defaults to 3600s (3600 seconds). (text)

Maximum permitted duration for writing a response. Defaults to 30s (30 seconds). (text)

Maximum duration in seconds before releasing resources when shutting down the server. Defaults to 30s (30 seconds). (text)

Maximum permitted size of an event accepted by the server to be processed (in Bytes). Defaults to 307200 Bytes. (int)

Maximum number of TCP connections to accept simultaneously. Default value is 0, which means unlimited. (int)

Custom HTTP headers to add to HTTP responses. Useful for security policy compliance. (text)

If true, APM Server captures the IP of the instrumented service and its User Agent if any. Enabled by default. (bool)

Sets the default service environment to associate with data and requests received from agents which have no service environment defined. Default: none. (text)

When set to true APM Server exposes golang expvar under /debug/vars. Disabled by default.

Configure the URL to expose expvar. Defaults to debug/vars.

Change the default namespace. This setting changes the name of the data stream.

For Fleet-managed users, the namespace is inherited from the selected Elastic Agent policy.