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Verifying the keyspace replication factor

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Troubleshoot keyspace-related errors, such as incorrect replication, by checking whether a specific keyspace exists and whether the keyspace belongs to the correct data center.

  • View the keyspace details by entering describe keyspace keyspace_name in the cqlsh console.

    Cassandra returns output similar to the following: CREATE KEYSPACE data WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1': '3'} AND durable_writes = true; where:
    • class is the replication strategy.
    • datacenter1 is the name of the related data center. The data center name is associated with the current replication factor value, for example, 3.
Depending on the output, you might want to adjust the keyspace configuration to better reflect your business needs and prevent replication errors. For example, you can use the alter_keyspace command to fix the keyspace configuration. For more information, see the Apache Cassandra documentation.

  • Configuring the replication factor

    Ensure reliability and fault tolerance by controlling how many data replicas you want to store across a Cassandra cluster.

  • Troubleshooting Cassandra

    Identify the root cause of degraded performance by completing corresponding monitoring activities. Learn about the most commonly encountered Cassandra issues and how to address them.

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