More-efficient cross-DC replication
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Key: CASSANDRA-1530
URL: https://issues.apache.org/jira/browse/CASSANDRA-1530
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Jonathan Ellis
Fix For: 0.7.1
Currently the coordinator node sends writes to each replica. In multi-dc
situations, it would be more efficient to have the coordinator talk to a single
node in each DC, which would forward the writes to the other replicas local to
it. (All replicas would continue to ack to the coordinator.)
Shouldn't be difficult to add a header to RMVH saying "consult the Strategy to
see who else is local to you and queue it off to them as well."
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