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https://issues.apache.org/jira/browse/CASSANDRA-1987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stu Hood resolved CASSANDRA-1987.
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Resolution: Duplicate
Resolved as dupe of CASSANDRA-1987
> Make AE repair DC aware
> -----------------------
>
> Key: CASSANDRA-1987
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1987
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Stu Hood
>
> Online replication is now XDC aware, such that writes directed to another DC
> are sent to one replica in that DC, and are then fanned out.
> AE repair could be made much more intelligent, and could follow this model as
> well: only one replica in a replica set should communicate XDC with the
> replicas in another DC.
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