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Some queries use Consistency Level: ANY

Scylla stores your data in ReplicationFactor of nodes (replicas). A write query Consistency Level determines how many replicas need to acknowledge the write before a reply is returned.

Using consistency level ANY allows a write query to be acknowledged after storing the information on the coordinator, a non-replica (as hints), meaning the data will be acknowledged when in fact it is not yet persistent on disk. Use Consistency Level ANY with care.