From cea114c0a4a85f611a2f4e180fbe0a362d85e7cc Mon Sep 17 00:00:00 2001
From: Arnie97 <arnie97@gmail.com>
Date: Fri, 21 Mar 2025 21:37:58 +0800
Subject: [PATCH] * MDF [conf] Fix default max_packet_size

The maximum packet size that MQTT protocol spec allows is 256 MB.
The current default value does not make sense, and breaks compatibility
with various MQTT client libraries, such as Eclipse Paho.
---
 etc/nanomq.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/etc/nanomq.conf b/etc/nanomq.conf
index 54818336..f06813c1 100644
--- a/etc/nanomq.conf
+++ b/etc/nanomq.conf
@@ -6,7 +6,7 @@
 
 mqtt {
     property_size = 32
-    max_packet_size = 260MB
+    max_packet_size = 256MB
     max_mqueue_len = 2048
     retry_interval = 10s
     keepalive_multiplier = 1.25