Add max_gleaning to env

env.example

@@ -58,6 +58,8 @@ SUMMARY_LANGUAGE=English
 # FORCE_LLM_SUMMARY_ON_MERGE=6
 ### Max tokens for entity/relations description after merge
 # MAX_TOKEN_SUMMARY=500
+### Maximum number of entity extraction attempts for ambiguous content
+# ENTITY_EXTRACT_MAX_GLEANING=1
 
 ### Number of parallel processing documents(Less than MAX_ASYNC/2 is recommended)
 # MAX_PARALLEL_INSERT=2

lightrag/constants.py

@@ -7,6 +7,7 @@ consistency and makes maintenance easier.
 """
 
 # Default values for environment variables
+DEFAULT_MAX_GLEANING = 1
 DEFAULT_MAX_TOKEN_SUMMARY = 500
 DEFAULT_FORCE_LLM_SUMMARY_ON_MERGE = 6
 DEFAULT_WOKERS = 2

lightrag/lightrag.py

@@ -22,6 +22,7 @@ from typing import (
     Dict,
 )
 from lightrag.constants import (
+    DEFAULT_MAX_GLEANING,
     DEFAULT_MAX_TOKEN_SUMMARY,
     DEFAULT_FORCE_LLM_SUMMARY_ON_MERGE,
 )
@@ -124,7 +125,9 @@ class LightRAG:
     # Entity extraction
     # ---
 
-    entity_extract_max_gleaning: int = field(default=1)
+    entity_extract_max_gleaning: int = field(
+        default=get_env_value("MAX_GLEANING", DEFAULT_MAX_GLEANING, int)
+    )
     """Maximum number of entity extraction attempts for ambiguous content."""
 
     summary_to_max_tokens: int = field(