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From "Alwyn Davis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12629) All Nodes Replication Strategy
Date Mon, 12 Sep 2016 06:32:20 GMT
Alwyn Davis created CASSANDRA-12629:
---------------------------------------

             Summary: All Nodes Replication Strategy
                 Key: CASSANDRA-12629
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12629
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Alwyn Davis
            Priority: Minor
             Fix For: 3.7


When adding a new DC, keyspaces must be manually updated to replicate to the new DC.  This
is problematic for system_auth, as it cannot achieve LOCAL_ONE consistency (for a non-cassandra
user), until its replication options have been updated on an existing node.

Ideally, system_auth could be set to an "All Nodes strategy" that will replicate it to all
nodes, as they join the cluster.  It also removes the need to update the replication factor
for system_auth when adding nodes to the cluster to keep with the recommendation of RF=number
of nodes (at least for small clusters).





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