From fb2eb403abfa4a8db7c8d8ac4231d50d6561a4c9 Mon Sep 17 00:00:00 2001
From: chenjian <1435317881@qq.com>
Date: Mon, 10 Nov 2025 21:38:02 +0800
Subject: [PATCH] [Opti] Unlimit zmq message lens limit (#4465)

Co-authored-by: Jiang-Jia-Jun <163579578+Jiang-Jia-Jun@users.noreply.github.com>
---
 fastdeploy/envs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fastdeploy/envs.py b/fastdeploy/envs.py
index 901f677cd..9311948c4 100644
--- a/fastdeploy/envs.py
+++ b/fastdeploy/envs.py
@@ -44,7 +44,7 @@ environment_variables: dict[str, Callable[[], Any]] = {
     # Whether to use HuggingFace tokenizer.
     "FD_USE_HF_TOKENIZER": lambda: bool(int(os.getenv("FD_USE_HF_TOKENIZER", "0"))),
     # Set the high watermark (HWM) for receiving data during ZMQ initialization
-    "FD_ZMQ_SNDHWM": lambda: os.getenv("FD_ZMQ_SNDHWM", 64000),
+    "FD_ZMQ_SNDHWM": lambda: os.getenv("FD_ZMQ_SNDHWM", 0),
     # cache kv quant params directory
     "FD_CACHE_PARAMS": lambda: os.getenv("FD_CACHE_PARAMS", "none"),
     # Set attention backend. "NATIVE_ATTN", "APPEND_ATTN"