In multithreaded scenarios , it is a serious problem , because the server will be oom
在 2015年11月27日星期五 UTC+8下午4:44:50，Hongxin Song写道： > > > <https://lh3.googleusercontent.com/-JTTCeJzu3V0/VlgX4JxTCkI/AAAAAAAAAAo/K9fx7wj3LUc/s1600/694275B6-CFE4-49AE-81C1-51F80C67630A.png> > > > when I query a lot of record from mysql by session.query, which is one > million more, > > and the size of memory reaches to 2G Byte , I want to release the memory > *immediately > ， * > > *but , try to some kind of method , it does not work * > > *please help !* > > > <https://lh3.googleusercontent.com/-JTTCeJzu3V0/VlgX4JxTCkI/AAAAAAAAAAo/K9fx7wj3LUc/s1600/694275B6-CFE4-49AE-81C1-51F80C67630A.png> > > > > > > *在此输入代码...session_factory = sessionmaker( autocommit=False, > autoflush=True, expire_on_commit=False, bind=engine)* > > > *Session = scoped_session(session_factory)Base = > declarative_base()Base.query = Session.query_property()class > ORMBase(object): @classmethod def getlist(cls, **kw): return > cls.query.filter_by(**kw).all()* > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
