Please file an issue in GitHub: Traceback (most recent call last): File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/flask/app.py", line 2073, in wsgi_app response = self.full_dispatch_request() File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/flask/app.py", line 1519, in full_dispatch_request return self.finalize_request(rv) File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/flask/app.py", line 1540, in finalize_request response = self.process_response(response) File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/flask/app.py", line 1888, in process_response self.session_interface.save_session(self, ctx.session, response) File "/data/project/video2commons/www/python/src/../../../video2commons/frontend/redisession.py", line 89, in save_session self.redis.delete(self.prefix + session.sid) File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/redis/client.py", line 1567, in delete return self.execute_command('DEL', *names) File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/redis/client.py", line 901, in execute_command return self.parse_response(conn, command_name, **options) File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/redis/client.py", line 915, in parse_response response = connection.read_response() File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/redis/connection.py", line 739, in read_response response = self._parser.read_response() File "/data/project/video2commons/www/python/venv/lib/python3.9/site-packages/redis/connection.py", line 484, in read_response raise response redis.exceptions.BusyLoadingError: Redis is loading the dataset in memory