Srdjan Mitrovic created CASSANDRA-5237:
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Summary: Add consistency level EACH_ONCE
Key: CASSANDRA-5237
URL: https://issues.apache.org/jira/browse/CASSANDRA-5237
Project: Cassandra
Issue Type: Improvement
Reporter: Srdjan Mitrovic
Priority: Minor
Use case:
If we have 2 datacenters and 2 replicas per datacenter a good fault tolerant
consistency strategy would be to use level EACH_ONCE for writes as in that case
it is fault tolerant even if 2 nodes die (one in each dc). If we assume that a
node from local dc will always reply faster then remote dc we could use CL_TWO
for reads and it would work fast for reads in normal conditions and be fault
tolerant if a node or 2 nodes die.
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