apm-server.yml

# WITH COMMENTS
apm-server: 
  # RUM
  rum:
    # To enable real user monitoring (RUM) support set this to true.
    enabled: true

    # If you're using version 0.x or 1.x of the RUM agent and APM Server <= 6.4

    # Rate limit per second and IP address for requests sent to the RUM endpoint.
    rate_limit: 10

    # If you're using version 2.x or 3.x of the RUM agent and APM Server >= 6.5

    event_rate:
      # Defines the maximum amount of events allowed to be sent to the APM Server v2 RUM
      # endpoint per ip per second. Defaults to 300.
      limit: 300

      # An LRU cache is used to keep a rate limit per IP for the most recently seen IPs.
      # This setting defines the number of unique IPs that can be tracked in the cache.
      # Sites with many concurrent clients should consider increasing this limit. Defaults to 1000.
      lru_size: 1000
  
  # MAX EVENT SIZE
  # APM Server <= 6.4 and supported agents
  
  # Maximum permitted size in bytes of an unzipped request accepted by the server to be processed.
  max_unzipped_size: 31457280

  # Maximum duration request will be queued before being read.
  max_request_queue_time: 2s

  # Maximum number of requests permitted to be sent to the server concurrently.
  concurrent_requests: 5

  # APM Server >= 6.5 and supported agents
  
  # Maximum allowed size in bytes of a single event
  max_event_size: 307200
  
  
      
# SAME STUFF AS ABOVE, NO COMMENTS
apm-server: 
  rum:
    enabled: true
    rate_limit: 10

    event_rate:
      limit: 300
      lru_size: 1000
      
  max_unzipped_size: 31457280
  max_request_queue_time: 2s
  concurrent_requests: 5

  max_event_size: 307200