diff --git a/benchmark/go/main.go b/benchmark/go/main.go
index 533479b..fc5eb88 100644
--- a/benchmark/go/main.go
+++ b/benchmark/go/main.go
@@ -2,13 +2,28 @@ package main
 
 import (
 	"fmt"
+	"io"
+	"log"
 	"net/http"
+	"os"
+	"strings"
 	"sync"
+	"time"
 
 	"gitea.urkob.com/urko/ess-etl-go/pkg/crono"
 )
 
 func main() {
+	log.SetFlags(log.Lmicroseconds)
+	logFileName := fmt.Sprintf("%s.txt", time.Now().Format(strings.ReplaceAll(time.RFC1123Z, ":", "_")))
+	f, err := os.OpenFile(logFileName, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o644)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer f.Close()
+	log.SetOutput(f)
+
 	cr := crono.New()
 	defer cr.Table()
 	host := "http://127.0.0.1:45654"
@@ -50,5 +65,14 @@ func doRequest(wg *sync.WaitGroup, host, employeeID string, errChan chan error)
 	}
 	defer res.Body.Close()
 
+	readedBody, err := io.ReadAll(res.Body)
+	if err != nil {
+		err = fmt.Errorf("ioutil.ReadAll: %s", err)
+		errChan <- err
+		return err
+	}
+
+	log.Println("readed", string(readedBody))
+
 	return nil
 }
diff --git a/benchmark/nest/main.go b/benchmark/nest/main.go
index 2624f30..fdffa8a 100644
--- a/benchmark/nest/main.go
+++ b/benchmark/nest/main.go
@@ -4,14 +4,28 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"io"
 	"log"
 	"net/http"
+	"os"
+	"strings"
 	"sync"
+	"time"
 
 	"gitea.urkob.com/urko/ess-etl-go/pkg/crono"
 )
 
 func main() {
+	log.SetFlags(log.Lmicroseconds)
+	logFileName := fmt.Sprintf("%s.txt", time.Now().Format(strings.ReplaceAll(time.RFC1123Z, ":", "_")))
+	f, err := os.OpenFile(logFileName, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o644)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer f.Close()
+	log.SetOutput(f)
+
 	cr := crono.New()
 	defer cr.Table()
 	host := "http://127.0.0.1:3458/graphql"
@@ -57,7 +71,8 @@ func doRequest(wg *sync.WaitGroup, host string, employeeID int, errChan chan err
 			EmployeeNumber: float64(employeeID),
 		},
 	}
-	body, err := json.Marshal(query)
+
+	reqBody, err := json.Marshal(query)
 	if err != nil {
 		err = fmt.Errorf("json.Marshal: %s", err)
 		errChan <- err
@@ -65,7 +80,7 @@ func doRequest(wg *sync.WaitGroup, host string, employeeID int, errChan chan err
 	}
 
 	client := &http.Client{}
-	req, err := http.NewRequest("POST", host, bytes.NewReader(body))
+	req, err := http.NewRequest("POST", host, bytes.NewReader(reqBody))
 
 	if err != nil {
 		err = fmt.Errorf("http.NewRequest: %s", err)
@@ -82,16 +97,14 @@ func doRequest(wg *sync.WaitGroup, host string, employeeID int, errChan chan err
 	}
 	defer res.Body.Close()
 
-	//log.Println("readed", string(body))
+	readedBody, err := io.ReadAll(res.Body)
+	if err != nil {
+		err = fmt.Errorf("ioutil.ReadAll: %s", err)
+		errChan <- err
+		return err
+	}
 
-	// body, err = io.ReadAll(res.Body)
-	// if err != nil {
-	// 	err = fmt.Errorf("ioutil.ReadAll: %s", err)
-	// 	errChan <- err
-	// 	return err
-	// }
-
-	// log.Println("readed", string(body))
+	log.Println("readed", string(readedBody))
 
 	return nil
 }