April 2017
Beginner to intermediate
360 pages
9h 35m
English
Content preview from Learning Apache Cassandra - Second Edition
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Authentication, authorization, and fault-tolerance
Using the PasswordAuthenticator and CassandraAuthorizer strategies for authentication and authorization respectively, user credentials and granted permissions are stored in Cassandra itself. This means that, if the authentication data becomes unavailable, no clients will be able to access the cluster. For that reason, you will always want to set the replication factor for your system_auth keyspace to the total number of nodes in your cluster. Since our development cluster consists of only a single node, we don't need to make any changes; in production, however, you will almost certainly have many nodes in your cluster, and you'll want to make sure credentials and permissions are stored locally ...
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