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Consistency

For detailed information about consistency in Cassandra, see Distributed Data - Consistency.

Overview

Cassandra provides tunable consistency, allowing applications to choose the trade-off between consistency, availability, and performance on a per-operation basis.

Key Concepts

  • Consistency Levels - Configure how many replicas must respond
  • Read Repair - Automatic consistency repair during reads
  • Hinted Handoff - Temporary storage for unavailable replicas
  • Anti-Entropy Repair - Background consistency verification