Files
aitbc/dev/scripts/fix_db_pragmas.patch

26 lines
903 B
Diff

--- a/apps/blockchain-node/src/aitbc_chain/database.py
+++ b/apps/blockchain-node/src/aitbc_chain/database.py
@@ -3,11 +3,22 @@
from contextlib import contextmanager
from sqlmodel import Session, SQLModel, create_engine
+from sqlalchemy import event
from .config import settings
_engine = create_engine(f"sqlite:///{settings.db_path}", echo=False)
+@event.listens_for(_engine, "connect")
+def set_sqlite_pragma(dbapi_connection, connection_record):
+ cursor = dbapi_connection.cursor()
+ cursor.execute("PRAGMA journal_mode=WAL")
+ cursor.execute("PRAGMA synchronous=NORMAL")
+ cursor.execute("PRAGMA cache_size=-64000")
+ cursor.execute("PRAGMA temp_store=MEMORY")
+ cursor.execute("PRAGMA mmap_size=30000000000")
+ cursor.execute("PRAGMA busy_timeout=5000")
+ cursor.close()
def init_db() -> None:
settings.db_path.parent.mkdir(parents=True, exist_ok=True)