hard20 pts · first answer countsdata-pipelineskafkastreaming

Adding consumers to cut lag

A Kafka topic has 12 partitions and consumer lag keeps growing. The team scales the consumer group from 12 to 20 instances. What happens?

A.Throughput rises by about two thirdsB.Each partition is shared by about 1.7 consumersC.The topic gains 8 new partitionsD.Only 12 consumers get partitions; 8 sit idle

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Adding consumers to cut lag

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