Add config option for HTTP keep-alives

receivers/httpReceiver.go

@@ -28,6 +28,9 @@ type HttpReceiverConfig struct {
 	IdleTimeout string `json:"idle_timeout"`
 	idleTimeout time.Duration
 
+	// Controls whether HTTP keep-alives are enabled. By default, keep-alives are enabled
+	KeepAlivesEnabled bool `json:"keep_alives_enabled"`
+
 	// Basic authentication
 	Username     string `json:"username"`
 	Password     string `json:"password"`
@@ -47,6 +50,7 @@ func (r *HttpReceiver) Init(name string, config json.RawMessage) error {
 
 	// Set default values
 	r.config.Port = HTTP_RECEIVER_PORT
+	r.config.KeepAlivesEnabled = true
 	// should be larger than the measurement interval to keep the connection open
 	r.config.IdleTimeout = "120s"
 
@@ -100,6 +104,7 @@ func (r *HttpReceiver) Init(name string, config json.RawMessage) error {
 		Handler:     nil, // handler to invoke, http.DefaultServeMux if nil
 		IdleTimeout: r.config.idleTimeout,
 	}
+	r.server.SetKeepAlivesEnabled(r.config.KeepAlivesEnabled)
 
 	return nil
 }

receivers/httpReceiver.md

@@ -23,6 +23,7 @@ The `http` receiver can be used receive metrics through HTTP POST requests.
 - `port`: Listen port
 - `path`: URL path for the write endpoint
 - `idle_timeout`: Maximum amount of time to wait for the next request when keep-alives are enabled should be larger than the measurement interval to keep the connection open
+- `keep_alives_enabled`: Controls whether HTTP keep-alives are enabled. By default, keep-alives are enabled.
 - `username`: username for basic authentication
 - `password`: password for basic authentication