General configuration optionsedit
Example config file:
apm-server: host: "localhost:8200" concurrent_requests: 5 rum: enabled: true queue.mem.events: 4096 max_procs: 4
Configuration options apm-server.*
edit
host
edit
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.
max_unzipped_size
edit
Maximum permitted size of an unzipped request accepted by the server to be processed (in Bytes). Defaults to 31457280 Bytes (30 MB).
max_header_size
edit
Maximum permitted size of a request’s header accepted by the server to be processed (in Bytes). Defaults to 1048576 Bytes (1 MB).
max_request_queue_time
edit
Maximum duration a request will be queued before being read. Defaults to 2 seconds.
read_timeout
edit
Maximum permitted duration for reading an entire request. Defaults to 30 seconds.
write_timeout
edit
Maximum permitted duration for writing a response. Defaults to 30 seconds.
shutdown_timeout
edit
Maximum duration in seconds before releasing resources when shutting down the server. Defaults to 5 seconds.
concurrent_request
edit
Maximum number of requests the server can process concurrently. Read more about how to tune data ingestion by adjusting concurrent_requests. Default value is 5.
max_connections
edit
Maximum number of TCP connections to accept simultaneously. Default value is 0, which means unlimited.
instrumentation.enabled
edit
Enables self instrumentation of the APM Server itself. Disabled by default.
secret_token
edit
Authorization token for sending data to the APM server. If a token is set, the agents must send it in the following format: Authorization: Bearer <secret-token>. The token is not used for RUM endpoints. By default no authorization token is set.
It is recommended to use an authorization token in combination with SSL enabled. Read more about Securing APM Server and the secret token.
capture_personal_data
edit
If true, APM Server captures the IP of the instrumented service and its User Agent if any. Enabled by default.
expvar.enabled
edit
When set to true APM Server exposes golang expvar. Disabled by default.
expvar.url
edit
Configure the url to expose expvar.
Defaults to debug/vars
.
metrics
edit
Experimental Metrics endpoint for collecting application metrics. Enabled by default.
Configuration options queue.mem.*
edit
Data is buffered in a memory queue before it is published to the configured output.
queue.mem.*
settings modify the queue behaviour.
events
edit
Maximum number of events the memory queue can buffer. Read more about how this setting can be used for tuning data ingestion. Default value is 4096.
flush.min_events
edit
Hints the minimum number of events stored in the queue, before providing a batch of events to the outputs. A value of 0 (the default) ensures events are immediately available to be sent to the outputs.
flush.timeout
edit
Maximum duration after which events are available to the outputs, if the number of events stored in the queue is < min_flush_events. Default value is 1 second.
Configuration options max_procs
edit
max_procs
edit
Sets the maximum number of CPUs that can be executing simultaneously. The default is the number of logical CPUs available in the system.