From 97817108ddf27fe590f804ce0390d1d2b4a84ce9 Mon Sep 17 00:00:00 2001
From: cxljs <fukua95@gmail.com>
Date: Thu, 14 Aug 2025 20:48:45 +0800
Subject: [PATCH] Set the read/write buffer size of the sentinel client to 4KiB
 (#3476)

Signed-off-by: Xiaolong Chen <fukua95@gmail.com>
---
 sentinel.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sentinel.go b/sentinel.go
index 7963a069..008f23cf 100644
--- a/sentinel.go
+++ b/sentinel.go
@@ -201,8 +201,9 @@ func (opt *FailoverOptions) sentinelOptions(addr string) *Options {
 		MinRetryBackoff: opt.MinRetryBackoff,
 		MaxRetryBackoff: opt.MaxRetryBackoff,
 
-		ReadBufferSize:  opt.ReadBufferSize,
-		WriteBufferSize: opt.WriteBufferSize,
+		// The sentinel client uses a 4KiB read/write buffer size.
+		ReadBufferSize:  4096,
+		WriteBufferSize: 4096,
 
 		DialTimeout:           opt.DialTimeout,
 		ReadTimeout:           opt.ReadTimeout,