From 2c7d2b3f5f4f3e420759502397a777db1696b679 Mon Sep 17 00:00:00 2001
From: yangdx <gzdaniel@me.com>
Date: Sat, 19 Jul 2025 13:27:34 +0800
Subject: [PATCH] Increase Neo4j connection pool size and timeouts

- Bump default connection pool size to 100
- Add new Neo4j timeout env variables to env.example
---
 env.example               | 4 ++++
 lightrag/kg/neo4j_impl.py | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/env.example b/env.example
index 6ec37a0f..a7abaef9 100644
--- a/env.example
+++ b/env.example
@@ -193,6 +193,10 @@ POSTGRES_MAX_CONNECTIONS=12
 NEO4J_URI=neo4j+s://xxxxxxxx.databases.neo4j.io
 NEO4J_USERNAME=neo4j
 NEO4J_PASSWORD='your_password'
+NEO4J_MAX_CONNECTION_POOL_SIZE=100
+NEO4J_CONNECTION_TIMEOUT=30
+NEO4J_CONNECTION_ACQUISITION_TIMEOUT=30
+MAX_TRANSACTION_RETRY_TIME=30
 # NEO4J_WORKSPACE=forced_workspace_name
 
 ### MongoDB Configuration
diff --git a/lightrag/kg/neo4j_impl.py b/lightrag/kg/neo4j_impl.py
index 847b73b0..d68707b0 100644
--- a/lightrag/kg/neo4j_impl.py
+++ b/lightrag/kg/neo4j_impl.py
@@ -77,7 +77,7 @@ class Neo4JStorage(BaseGraphStorage):
         MAX_CONNECTION_POOL_SIZE = int(
             os.environ.get(
                 "NEO4J_MAX_CONNECTION_POOL_SIZE",
-                config.get("neo4j", "connection_pool_size", fallback=50),
+                config.get("neo4j", "connection_pool_size", fallback=100),
             )
         )
         CONNECTION_TIMEOUT = float(