From d91ced4ba0f8503ec328febe3fb860ccf43c4fe6 Mon Sep 17 00:00:00 2001
From: "binbin.zhang" <bbz17640380550@163.com>
Date: Sat, 12 Feb 2022 14:18:16 +0800
Subject: [PATCH] config listen execute max chan (#403)

---
 clients/config_client/config_client.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clients/config_client/config_client.go b/clients/config_client/config_client.go
index 12fdc8f6..0189e7de 100644
--- a/clients/config_client/config_client.go
+++ b/clients/config_client/config_client.go
@@ -19,6 +19,7 @@ package config_client
 import (
 	"errors"
 	"fmt"
+	"math"
 	"os"
 	"strings"
 	"sync"
@@ -116,8 +117,8 @@ func NewConfigClient(nc nacos_client.INacosClient) (*ConfigClient, error) {
 	config.uid = uid.String()
 
 	config.cacheMap = cache.NewConcurrentMap()
-
-	config.listenExecute = make(chan struct{}, 1)
+	// maximum buffered queue to prevent chan deadlocks during frequent configuration file updates
+	config.listenExecute = make(chan struct{}, math.MaxInt64)
 
 	config.startInternal()