应用错误收集

Cassandra集群的一个主机倒塌了。在那个小时窗口中，应用程序日志中会抛出这些回溯。密钥空间RF和一致性级别配置为我们应该能够处理一个节点丢失。

这些追溯的原因是什么？可以忽略这些吗？

卡桑德拉-蟒== 2.6.0

    Traceback (most recent call last): 
      File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/cluster.py\", line 1820, in run_add_or_renew_pool        
        new_pool = HostConnection(host, distance, self)
       File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/pool.py\", line 294, in __init__
         self._connection = session.cluster.connection_factory(host.address)
       File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/cluster.py\", line 784, in connection_factory         
        return self.connection_class.factory(address, self.connect_timeout, *args, **kwargs)
       File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/connection.py\", line 260, in factory
         conn = cls(host, *args, **kwargs) 
      File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/io/asyncorereactor.py\", line 167, in __init__         
        self._connect_socket()
       File \"/opt/aruba/central/apps/monitoring/ENV/local/lib/python2.7/site-packages/cassandra/connection.py\", line 293, in _connect_socket         
        raise socket.error(sockerr.errno,
  \"Tried connecting to %s. Last error: %s\" % ([a[4] for a in addresses], sockerr.strerror))     error: [Errno None] Tried connecting to [(\\'172.20.111.22\\', 9042)]. Last error: None

一个主机关闭时，cassandra python驱动程序中的run_add_or_renew_pool跟踪

0 个答案: