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Enable SQLite WAL mode to fix 'database is locked' errors under concurrent API requests

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YueGuobin 2026-06-15 13:02:17 +08:00
parent 650be3565f
commit 49d2c271ca
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1 changed files with 4 additions and 1 deletions
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gns3server/db/tasks.py
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@ -149,9 +149,12 @@ async def disconnect_from_db(app: FastAPI) -> None:
@event.listens_for(Engine, "connect")
def set_sqlite_pragma(dbapi_connection, connection_record):
# Enable WAL mode for SQLite to allow concurrent reads and writes.
# Without WAL, concurrent API requests can cause "database is locked" errors.
cursor = dbapi_connection.cursor()
cursor.execute("PRAGMA journal_mode=WAL")
# Enable SQL foreign key support for SQLite
# https://docs.sqlalchemy.org/en/14/dialects/sqlite.html#foreign-key-support
cursor = dbapi_connection.cursor()
cursor.execute("PRAGMA foreign_keys=ON")
cursor.close()