From 8d0fcbb6138fa93dbc99fde2f19e67f57537b491 Mon Sep 17 00:00:00 2001
From: "juntao.jjt" <juntao.jjt@alibaba-inc.com>
Date: Thu, 5 Jun 2025 16:41:40 +0800
Subject: [PATCH] optimize back pressure default value to 1024.

---
 .../apache/rocketmq/client/producer/DefaultMQProducer.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/src/main/java/org/apache/rocketmq/client/producer/DefaultMQProducer.java b/client/src/main/java/org/apache/rocketmq/client/producer/DefaultMQProducer.java
index 11edcaa4410..a30443f8d1e 100644
--- a/client/src/main/java/org/apache/rocketmq/client/producer/DefaultMQProducer.java
+++ b/client/src/main/java/org/apache/rocketmq/client/producer/DefaultMQProducer.java
@@ -170,9 +170,9 @@ public class DefaultMQProducer extends ClientConfig implements MQProducer {
 
     /**
      * on BackpressureForAsyncMode, limit maximum number of on-going sending async messages
-     * default is 10000
+     * default is 1024
      */
-    private int backPressureForAsyncSendNum = 10000;
+    private int backPressureForAsyncSendNum = 1024;
 
     /**
      * on BackpressureForAsyncMode, limit maximum message size of on-going sending async messages