关于在uwsgi server中出现cassandra超时问题的解决

﹏ヽ暗。殇╰゛Y 2022-06-17 20:40 219阅读 0赞

## 关于在uwsgi server中出现cassandra超时的问题 ##

ref:[http://stackoverflow.com/questions/30846525/cassandra-rises-operation-time-out-in-uwsgi-server][http_stackoverflow.com_questions_30846525_cassandra-rises-operation-time-out-in-uwsgi-server]

### 在nginx+uwsgi+cassandra的环境下，出现了uwsgi超时问题，解决方法如下： ###

修改wsgi.py文件

""" WSGI config for chess_user project. It exposes the WSGI callable as a module-level variable named ``application``. For more information on this file, see https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/ """
    
    import os
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project.settings")
    
    import logging
    
    from django.conf import settings
    from django.core.wsgi import get_wsgi_application
    
    from cassandra.cqlengine import connection
    from cassandra.cqlengine.connection import (
        cluster as cql_cluster, session as cql_session)
    
    try:
        from uwsgidecorators import postfork
    except ImportError:
        message = ("We're not in a uWSGI context, no need to hook Cassandra session"
                   "initialization to the postfork event.")
        logging.error(message)
    else:
        @postfork
        def cassandra_init():
            """ Initialize a new Cassandra session in the context. Ensures that a new session is returned for every new request. """
            if cql_cluster is not None:
                cql_cluster.shutdown()
            if cql_session is not None:
                cql_session.shutdown()
            connection.setup([settings.DATABASES['default']['HOST']],
                             settings.DATABASES['default']['NAME'])
    
    application = get_wsgi_application()

[http_stackoverflow.com_questions_30846525_cassandra-rises-operation-time-out-in-uwsgi-server]: http://stackoverflow.com/questions/30846525/cassandra-rises-operation-time-out-in-uwsgi-server