Changed dispacher's sleep strategy in order to reduce cpu load

server.go

@@ -41,6 +41,7 @@ type Server struct {
 	chUsers  map[string]map[string]string
 	chTopics map[string]string
 	chModes  map[string]map[string]bool
+
 	config     *conf.ConfigFile
 	configPath string
 
@@ -62,6 +63,7 @@ func NewServer(configPath, software, version string) *Server {
 	sv.delq = make(chan Client, 128)
 
 	sv.clients = make(map[string]Client)
+
 	sv.chUsers = make(map[string]map[string]string)
 	sv.chTopics = make(map[string]string)
 	sv.chModes = make(map[string]map[string]bool)
@@ -138,7 +140,6 @@ func (sv *Server) listenTls(laddr string) {
 
 func (sv *Server) dispatcher() {
 	for {
-		time.Sleep(1 * time.Microsecond)
 		sv.queueLen = float64(len(sv.queue))
 		select {
 		case msg := <-sv.queue:
@@ -178,6 +179,7 @@ func (sv *Server) dispatcher() {
 			xlog.Info("Server has %d client(s)", len(sv.clients))
 			xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
 		default:
+			time.Sleep(100 * time.Millisecond)
 		}
 	}
 }