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https://issues.apache.org/jira/browse/CASSANDRA-9877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-9877:
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Component/s: Distributed Metadata
> Disallow schema changes if resultant replica count is zero
> ----------------------------------------------------------
>
> Key: CASSANDRA-9877
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9877
> Project: Cassandra
> Issue Type: Improvement
> Components: Distributed Metadata
> Reporter: sankalp kohli
> Priority: Minor
>
> We have seen too many cases in which keyspaces are created with wrong DC
> names leading to zero replicas. This can also happen due to update schema.
> We should not allow such changes if the resultant replica count is zero.
> Also I am not sure if anyone needs to specify a DC name which is non
> existent.
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