##// END OF EJS Templates
caches: use individual namespaces per user to prevent beaker caching problems....
caches: use individual namespaces per user to prevent beaker caching problems. - especially for mysql in case large number of data in caches there could be critical errors storing cache, and thus preventing users from authentication. This is caused by the fact that we used single namespace for ALL users. It means it grew as number of users grew reaching mysql single column limit. This changes the behaviour and now we use namespace per-user it means that each user-id will have it's own cache namespace fragmenting maximum column data to a single user cache. Which we should never reach.

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__init__.py
59 lines | 2.0 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2018 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
Package containing new versions of database models
"""
from sqlalchemy import *
from sqlalchemy.exc import DatabaseError
from sqlalchemy.orm import relation, backref, class_mapper, joinedload
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import scoped_session, sessionmaker
from rhodecode.lib.dbmigrate.migrate import *
from rhodecode.lib.dbmigrate.migrate.changeset import *
from rhodecode.model import meta
def notify(msg, caps=True):
"""
Notification for migrations messages
"""
ml = len(msg) + (4 * 2)
formatted_msg = ('\n%s\n*** %s ***\n%s' % ('*' * ml, msg, '*' * ml))
if caps:
formatted_msg = formatted_msg.upper()
print(formatted_msg)
def _reset_base(migrate_engine):
## RESET COMPLETLY THE metadata for sqlalchemy to use previous declared Base
Base = declarative_base()
Base.metadata.clear()
Base.metadata = MetaData()
Base.metadata.bind = migrate_engine
# new session and base
#meta.Session = scoped_session(sessionmaker(expire_on_commit=True,))
#meta.Session.configure(bind=migrate_engine)
meta.Base = Base
notify('SQLA BASE RESET !')