Mule CassandraDB Module
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| ↳ | java.lang.Enum<E extends java.lang.Enum<E>> | |
| ↳ | com.mulesoft.mule.cassandradb.ReplicationStrategy | |
Cassandra supported replica placement strategies
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| ReplicationStrategy | NETWORK_TOPOLOGY | With NetworkTopologyStrategy, for each datacenter, you can specify how many replicas you want on a per-keyspace basis. | |||||||||
| ReplicationStrategy | OLD_NETWORK_TOPOLOGY | OldNetworkToplogyStrategy [formerly RackAwareStrategy] places one replica in each of two datacenters, and the third on a different rack in in the first. | |||||||||
| ReplicationStrategy | SIMPLE | SimpleStrategy merely places the first replica at the node whose token is closest to the key (as determined by the Partitioner), and additional replicas on subsequent nodes along the ring in increasing Token order. | |||||||||
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With NetworkTopologyStrategy, for each datacenter, you can specify how many replicas you want on a per-keyspace basis. Replicas are placed on different racks within each DC, if possible. Supports strategy options which specify the replication factor for each datacenter. The replication factor for the entire cluster is the sum of all per datacenter values. Note that the datacenter names must match those used in conf/cassandra-topology.properties.
OldNetworkToplogyStrategy [formerly RackAwareStrategy] places one replica in each of two datacenters, and the third on a different rack in in the first. Additional datacenters are not guaranteed to get a replica. Additional replicas after three are placed in ring order after the third without regard to rack or datacenter. Supports a single strategy option 'replication_factor' that specifies the replication factor for the cluster.
SimpleStrategy merely places the first replica at the node whose token is closest to the key (as determined by the Partitioner), and additional replicas on subsequent nodes along the ring in increasing Token order. Supports a single strategy option 'replication_factor' that specifies the replication factor for the cluster.