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Refa: asyncio.to_thread to ThreadPoolExecutor to break thread limitat… (#12716)

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### Type of change

- [x] Refactoring
This commit is contained in:
Kevin Hu
2026-01-20 13:29:37 +08:00
committed by GitHub
parent 120648ac81
commit 927db0b373
30 changed files with 246 additions and 157 deletions
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11
graphrag/light/graph_extractor.py
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@ -1,11 +1,13 @@
# Copyright (c) 2024 Microsoft Corporation.
# Licensed under the MIT License
from common.misc_utils import thread_pool_exec
"""
Reference:
- [graphrag](https://github.com/microsoft/graphrag)
"""
import asyncio
import logging
import re
from dataclasses import dataclass
@ -19,7 +21,6 @@ from graphrag.utils import chat_limiter, pack_user_ass_to_openai_messages, split
from rag.llm.chat_model import Base as CompletionLLM
from common.token_utils import num_tokens_from_string
@dataclass
class GraphExtractionResult:
"""Unipartite graph extraction result class definition."""
@ -82,12 +83,12 @@ class GraphExtractor(Extractor):
if self.callback:
self.callback(msg=f"Start processing for {chunk_key}: {content[:25]}...")
async with chat_limiter:
final_result = await asyncio.to_thread(self._chat,"",[{"role": "user", "content": hint_prompt}],gen_conf,task_id)
final_result = await thread_pool_exec(self._chat,"",[{"role": "user", "content": hint_prompt}],gen_conf,task_id)
token_count += num_tokens_from_string(hint_prompt + final_result)
history = pack_user_ass_to_openai_messages(hint_prompt, final_result, self._continue_prompt)
for now_glean_index in range(self._max_gleanings):
async with chat_limiter:
glean_result = await asyncio.to_thread(self._chat,"",history,gen_conf,task_id)
glean_result = await thread_pool_exec(self._chat,"",history,gen_conf,task_id)
history.extend([{"role": "assistant", "content": glean_result}])
token_count += num_tokens_from_string("\n".join([m["content"] for m in history]) + hint_prompt + self._continue_prompt)
final_result += glean_result
@ -96,7 +97,7 @@ class GraphExtractor(Extractor):
history.extend([{"role": "user", "content": self._if_loop_prompt}])
async with chat_limiter:
if_loop_result = await asyncio.to_thread(self._chat,"",history,gen_conf,task_id)
if_loop_result = await thread_pool_exec(self._chat,"",history,gen_conf,task_id)
token_count += num_tokens_from_string("\n".join([m["content"] for m in history]) + if_loop_result + self._if_loop_prompt)
if_loop_result = if_loop_result.strip().strip('"').strip("'").lower()
if if_loop_result != "yes":