Reduce query delays

main.go

@@ -115,7 +115,6 @@ func main() {
 	go func() {
 		for _, item := range items {
 			fchan <- asyncItem{time.Now(),conn.SelectAsync("visitorid_matching", "primary", 0, 1, tarantool.IterEq, []interface{}{"host1", "host2", item})}
-			time.Sleep(time.Microsecond*50)
 		}
 		close(fchan)
 	}()
@@ -155,7 +154,7 @@ func main() {
 			tt += tm
 			mu.Unlock()
 		}()
-		time.Sleep(time.Millisecond)
+		time.Sleep(time.Microsecond * 100)
 	}
 	fmt.Println("mixed max =", tmx*1000)
 	fmt.Println("mixed avg =", tt*1000/float64(len(items)))