periodic repair

pkg/logutil/factory.go

@@ -1,6 +1,7 @@
 package logutil
 
 import (
+	"bufio"
 	"bytes"
 	"fmt"
 	"io"
@@ -106,12 +107,25 @@ func (l *Logger) GetLogsFromFile() (string, error) {
 	}
 	defer file.Close()
 
-	var buffer bytes.Buffer
-	_, err = io.Copy(&buffer, file)
-	if err != nil {
+	const maxLines = 100000
+	var lines []string
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		lines = append(lines, scanner.Text())
+		if len(lines) > maxLines {
+			lines = lines[1:]
+		}
+	}
+	if err := scanner.Err(); err != nil {
 		return "", err
 	}
 
+	var buffer bytes.Buffer
+	for _, line := range lines {
+		buffer.WriteString(line + "\n")
+	}
+
 	return buffer.String(), nil
 }