From 6963a8a438be6caed29ee9b8f1e96bc0890fc563 Mon Sep 17 00:00:00 2001
From: gangan liu <315874482@qq.com>
Date: Mon, 2 Sep 2024 16:55:48 +0800
Subject: [PATCH] feat(contrib/log/zap): If disable this level of logging
 entirely, avoid additional overhead (#3357)

---
 contrib/log/zap/zap.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/contrib/log/zap/zap.go b/contrib/log/zap/zap.go
index acf453fe010..812afb95a76 100644
--- a/contrib/log/zap/zap.go
+++ b/contrib/log/zap/zap.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 
 	"github.com/go-kratos/kratos/v2/log"
 )
@@ -32,6 +33,11 @@ func NewLogger(zlog *zap.Logger) *Logger {
 }
 
 func (l *Logger) Log(level log.Level, keyvals ...interface{}) error {
+	// If logging at this level is completely disabled, skip the overhead of
+	// string formatting.
+	if zapcore.Level(level) < zapcore.DPanicLevel && !l.log.Core().Enabled(zapcore.Level(level)) {
+		return nil
+	}
 	var (
 		msg    = ""
 		keylen = len(keyvals)