``cassandra.policies`` - Load balancing and Failure Handling Policies ===================================================================== .. module:: cassandra.policies Load Balancing -------------- .. autoclass:: HostDistance :members: .. autoclass:: LoadBalancingPolicy :members: .. autoclass:: RoundRobinPolicy :members: .. autoclass:: DCAwareRoundRobinPolicy :members: .. autoclass:: WhiteListRoundRobinPolicy :members: .. autoclass:: TokenAwarePolicy :members: .. autoclass:: HostFilterPolicy .. we document these methods manually so we can specify a param to predicate .. automethod:: predicate(host) .. automethod:: distance .. automethod:: make_query_plan Translating Server Node Addresses --------------------------------- .. autoclass:: AddressTranslator :members: .. autoclass:: IdentityTranslator :members: .. autoclass:: EC2MultiRegionTranslator :members: Marking Hosts Up or Down ------------------------ .. autoclass:: ConvictionPolicy :members: .. autoclass:: SimpleConvictionPolicy :members: Reconnecting to Dead Hosts -------------------------- .. autoclass:: ReconnectionPolicy :members: .. autoclass:: ConstantReconnectionPolicy :members: .. autoclass:: ExponentialReconnectionPolicy :members: Retrying Failed Operations -------------------------- .. autoclass:: WriteType :members: .. autoclass:: RetryPolicy :members: .. autoclass:: FallthroughRetryPolicy :members: .. autoclass:: DowngradingConsistencyRetryPolicy :members: Retrying Idempotent Operations ------------------------------ .. autoclass:: SpeculativeExecutionPolicy :members: .. autoclass:: ConstantSpeculativeExecutionPolicy :members: