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Raphaël MANSUY 2025-12-04 19:18:37 +08:00
parent 36078fc348
commit 6a4300d0bf
2 changed files with 21 additions and 16 deletions
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28
env.example
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@ -74,19 +74,6 @@ ENABLE_LLM_CACHE=true
### control the maximum tokens send to LLM (include entities, relations and chunks)
# MAX_TOTAL_TOKENS=30000
### control the maximum chunk_ids stored in vector and graph db
# MAX_SOURCE_IDS_PER_ENTITY=300
# MAX_SOURCE_IDS_PER_RELATION=300
### control chunk_ids limitation method: KEEP, FIFO (KEPP: Ingore New Chunks, FIFO: New chunks replace old chunks)
# SOURCE_IDS_LIMIT_METHOD=KEEP
### Maximum number of file paths stored in entity/relation file_path field
# MAX_FILE_PATHS=30
### maximum number of related chunks per source entity or relation
### The chunk picker uses this value to determine the total number of chunks selected from KG(knowledge graph)
### Higher values increase re-ranking time
# RELATED_CHUNK_NUMBER=5
### chunk selection strategies
### VECTOR: Pick KG chunks by vector similarity, delivered chunks to the LLM aligning more closely with naive retrieval
### WEIGHT: Pick KG chunks by entity and chunk weight, delivered more solely KG related chunks to the LLM
@ -148,6 +135,21 @@ SUMMARY_LANGUAGE=English
### Maximum context size sent to LLM for description summary
# SUMMARY_CONTEXT_SIZE=12000
### control the maximum chunk_ids stored in vector and graph db
# MAX_SOURCE_IDS_PER_ENTITY=300
# MAX_SOURCE_IDS_PER_RELATION=300
### control chunk_ids limitation method: FIFO, FIFO
### FIFO: First in first out
### KEEP: Keep oldest (less merge action and faster)
# SOURCE_IDS_LIMIT_METHOD=FIFO
### Maximum number of file paths stored in entity/relation file_path field
# MAX_FILE_PATHS=30
### maximum number of related chunks per source entity or relation
### The chunk picker uses this value to determine the total number of chunks selected from KG(knowledge graph)
### Higher values increase re-ranking time
# RELATED_CHUNK_NUMBER=5
###############################
### Concurrency Configuration
###############################

9
lightrag/constants.py
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@ -60,9 +60,12 @@ DEFAULT_RERANK_BINDING = "null"
# Default source ids limit in meta data for entity and relation
DEFAULT_MAX_SOURCE_IDS_PER_ENTITY = 300
DEFAULT_MAX_SOURCE_IDS_PER_RELATION = 300
SOURCE_IDS_LIMIT_METHOD_KEEP = "KEEP" # Keep oldest
SOURCE_IDS_LIMIT_METHOD_FIFO = "FIFO" # First In First Out (Keep newest)
DEFAULT_SOURCE_IDS_LIMIT_METHOD = SOURCE_IDS_LIMIT_METHOD_KEEP
### control chunk_ids limitation method: FIFO, FIFO
### FIFO: First in first out
### KEEP: Keep oldest (less merge action and faster)
SOURCE_IDS_LIMIT_METHOD_KEEP = "KEEP"
SOURCE_IDS_LIMIT_METHOD_FIFO = "FIFO"
DEFAULT_SOURCE_IDS_LIMIT_METHOD = SOURCE_IDS_LIMIT_METHOD_FIFO
VALID_SOURCE_IDS_LIMIT_METHODS = {
SOURCE_IDS_LIMIT_METHOD_KEEP,
SOURCE_IDS_LIMIT_METHOD_FIFO,