Can you explain what quorum means in the context of data replication?
Sure! Quorum refers to the minimum number of votes or acknowledgments required to consider a transaction or operation successful in a distributed system.
Why is quorum important for data consistency?
Quorum ensures that a majority of nodes agree on the state of the data, which helps maintain consistency and prevents split-brain scenarios.
What happens if a quorum is not reached?
If a quorum is not reached, the operation may fail, leading to potential data inconsistency or loss, as not enough nodes have confirmed the change.
Can you give an example of how quorum works in a real-world application?
Certainly! In a distributed database like Cassandra, a write operation requires a quorum of nodes to acknowledge the write before it is considered successful, ensuring data reliability.
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