Donald Smith created CASSANDRA-8060:
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Summary: Geography-aware replication
Key: CASSANDRA-8060
URL: https://issues.apache.org/jira/browse/CASSANDRA-8060
Project: Cassandra
Issue Type: Wish
Reporter: Donald Smith
We have three data centers in the US (CA in California, TX in Texas, and NJ in
NJ), two in Europe (UK and DE), and two in Asia (JP and CH1). We do all our
writing to CA. That represents a bottleneck, since the coordinator nodes in CA
are responsible for all the replication to every data center.
Far better if we had the option of setting things up so that CA replicated to
TX , which replicated to NJ. NJ is closer to UK, so NJ should be responsible
for replicating to UK, which should replicate to DE. Etc, etc.
This could be controlled by the topology file.
It would have major ramifications for latency architecture but might be
appropriate for some scenarios.
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