`cassandra.pool` - Hosts and Connection Pools¶

Connection pooling and host management.

class cassandra.pool.Host[source]¶

Represents a single Cassandra node.

is_up = None¶: True if the node is considered up, False if it is considered down, and None if it is not known if the node is up or down.

address = None¶: The IP address or hostname of the node.

conviction_policy = None¶: A ConvictionPolicy instance for determining when this node should be marked up or down.

datacenter¶: The datacenter the node is in.

rack¶: The rack the node is in.

exception cassandra.pool.NoConnectionsAvailable[source]¶: All existing connections to a given host are busy, or there are no open connections.