Cassandra Practice Test

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Is hinted handoff enabled by default in Cassandra?

True
False
Only in certain configurations
It is configurable per node

The correct answer is: False

Hinted handoff is not enabled by default in Cassandra. This feature is designed to enhance data availability during network partitions and node failures by temporarily storing hints about missed writes to be delivered to nodes that were down. However, the setting is not activated automatically upon installation. Instead, it requires explicit enabling through the configuration. Typically, this indicates that administrators have the control to assess their specific use case and decide whether hinted handoff fits their operational needs. The cautious approach helps maintain system performance and resource management, considering that hinted handoff can lead to increased data operations under certain conditions, such as during heavy node downtimes. Therefore, while hinted handoff could be a valuable asset in maintaining availability, it must be consciously enabled rather than being a default behavior of the system.