Check for stale workers and connections every 10 seconds instead of every second. This should reduce cleaners' overhead

client.go

@@ -912,7 +912,7 @@ func (c *HostClient) connsCleaner() {
 		if mustStop {
 			break
 		}
-		time.Sleep(time.Second)
+		time.Sleep(10 * time.Second)
 	}
 }
 

workerpool.go

@@ -49,7 +49,7 @@ func (wp *workerPool) Start() {
 			case <-stopCh:
 				return
 			default:
-				time.Sleep(time.Second)
+				time.Sleep(10 * time.Second)
 			}
 			wp.clean()
 		}