hard20 pts · first answer countsdata-modellingnosql

A partition that never stops growing

In Cassandra, readings are stored with partition key sensor_id and clustering key ts. After two years some partitions are huge and slow. What is a standard fix?

A.Use ts alone as the partition keyB.Add a secondary index on sensor_idC.Move the data into one partitionD.Add a time bucket to the key: (sensor_id, day)

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A partition that never stops growing

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