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enh/refac: pgvector pool support

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This commit is contained in:
Timothy Jaeryang Baek 2025-07-14 12:18:44 +04:00
parent 9c49d9e641
commit b4f04ff3a7
2 changed files with 62 additions and 4 deletions
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39
backend/open_webui/config.py
View file

@ -1886,6 +1886,45 @@ if PGVECTOR_PGCRYPTO and not PGVECTOR_PGCRYPTO_KEY:
"PGVECTOR_PGCRYPTO is enabled but PGVECTOR_PGCRYPTO_KEY is not set. Please provide a valid key."
)
PGVECTOR_POOL_SIZE = os.environ.get("PGVECTOR_POOL_SIZE", None)
if PGVECTOR_POOL_SIZE != None:
try:
PGVECTOR_POOL_SIZE = int(PGVECTOR_POOL_SIZE)
except Exception:
PGVECTOR_POOL_SIZE = None
PGVECTOR_POOL_MAX_OVERFLOW = os.environ.get("PGVECTOR_POOL_MAX_OVERFLOW", 0)
if PGVECTOR_POOL_MAX_OVERFLOW == "":
PGVECTOR_POOL_MAX_OVERFLOW = 0
else:
try:
PGVECTOR_POOL_MAX_OVERFLOW = int(PGVECTOR_POOL_MAX_OVERFLOW)
except Exception:
PGVECTOR_POOL_MAX_OVERFLOW = 0
PGVECTOR_POOL_TIMEOUT = os.environ.get("PGVECTOR_POOL_TIMEOUT", 30)
if PGVECTOR_POOL_TIMEOUT == "":
PGVECTOR_POOL_TIMEOUT = 30
else:
try:
PGVECTOR_POOL_TIMEOUT = int(PGVECTOR_POOL_TIMEOUT)
except Exception:
PGVECTOR_POOL_TIMEOUT = 30
PGVECTOR_POOL_RECYCLE = os.environ.get("PGVECTOR_POOL_RECYCLE", 3600)
if PGVECTOR_POOL_RECYCLE == "":
PGVECTOR_POOL_RECYCLE = 3600
else:
try:
PGVECTOR_POOL_RECYCLE = int(PGVECTOR_POOL_RECYCLE)
except Exception:
PGVECTOR_POOL_RECYCLE = 3600
# Pinecone
PINECONE_API_KEY = os.environ.get("PINECONE_API_KEY", None)
PINECONE_ENVIRONMENT = os.environ.get("PINECONE_ENVIRONMENT", None)

27
backend/open_webui/retrieval/vector/dbs/pgvector.py
View file

@ -18,7 +18,7 @@ from sqlalchemy import (
values,
)
from sqlalchemy.sql import true
from sqlalchemy.pool import NullPool
from sqlalchemy.pool import NullPool, QueuePool
from sqlalchemy.orm import declarative_base, scoped_session, sessionmaker
from sqlalchemy.dialects.postgresql import JSONB, array
@ -37,6 +37,10 @@ from open_webui.config import (
PGVECTOR_INITIALIZE_MAX_VECTOR_LENGTH,
PGVECTOR_PGCRYPTO,
PGVECTOR_PGCRYPTO_KEY,
PGVECTOR_POOL_SIZE,
PGVECTOR_POOL_MAX_OVERFLOW,
PGVECTOR_POOL_TIMEOUT,
PGVECTOR_POOL_RECYCLE,
)
from open_webui.env import SRC_LOG_LEVELS
@ -80,9 +84,24 @@ class PgvectorClient(VectorDBBase):
self.session = Session
else:
engine = create_engine(
PGVECTOR_DB_URL, pool_pre_ping=True, poolclass=NullPool
)
if isinstance(PGVECTOR_POOL_SIZE, int):
if PGVECTOR_POOL_SIZE > 0:
engine = create_engine(
PGVECTOR_DB_URL,
pool_size=PGVECTOR_POOL_SIZE,
max_overflow=PGVECTOR_POOL_MAX_OVERFLOW,
pool_timeout=PGVECTOR_POOL_TIMEOUT,
pool_recycle=PGVECTOR_POOL_RECYCLE,
pool_pre_ping=True,
poolclass=QueuePool,
)
else:
engine = create_engine(
PGVECTOR_DB_URL, pool_pre_ping=True, poolclass=NullPool
)
else:
engine = create_engine(PGVECTOR_DB_URL, pool_pre_ping=True)
SessionLocal = sessionmaker(
autocommit=False, autoflush=False, bind=engine, expire_on_commit=False
)