Files
hyungi_document_server/app/workers/embed_worker.py
Hyungi Ahn bf8efd1cd3 feat: 임베딩 모델 변경 — nomic-embed-text → bge-m3 (1024차원, 다국어)
- config.yaml: embedding model → bge-m3
- document.py: Vector(768) → Vector(1024)
- embed_worker.py: 모델 버전 업데이트
- migration 011: 벡터 컬럼 재생성 (기존 임베딩 초기화)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-06 12:49:45 +09:00

45 lines
1.4 KiB
Python

"""벡터 임베딩 워커 — GPU 서버 bge-m3 호출"""
from datetime import datetime, timezone
from sqlalchemy.ext.asyncio import AsyncSession
from ai.client import AIClient
from core.utils import setup_logger
from models.document import Document
logger = setup_logger("embed_worker")
# 임베딩용 텍스트 최대 길이 (bge-m3: 8192 토큰)
MAX_EMBED_TEXT = 6000
EMBED_MODEL_VERSION = "bge-m3"
async def process(document_id: int, session: AsyncSession) -> None:
"""문서 벡터 임베딩 생성"""
doc = await session.get(Document, document_id)
if not doc:
raise ValueError(f"문서 ID {document_id}를 찾을 수 없음")
if not doc.extracted_text:
raise ValueError(f"문서 ID {document_id}: extracted_text가 비어있음")
# title + 본문 앞부분을 결합하여 임베딩 입력 생성
title_part = doc.title or ""
text_part = doc.extracted_text[:MAX_EMBED_TEXT]
embed_input = f"{title_part}\n\n{text_part}".strip()
if not embed_input:
logger.warning(f"[임베딩] document_id={document_id}: 빈 텍스트, 스킵")
return
client = AIClient()
try:
vector = await client.embed(embed_input)
doc.embedding = vector
doc.embed_model_version = EMBED_MODEL_VERSION
doc.embedded_at = datetime.now(timezone.utc)
logger.info(f"[임베딩] document_id={document_id}: {len(vector)}차원 벡터 생성")
finally:
await client.close()