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__________ is the subset of the replicas list that is currently alive and caught up to the leader.

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__________ is the subset of the replicas list that is currently alive and caught up to the leader.

(a) replicas

(b) leader

(c) follower

(d) isr

The question was posed to me by my school principal while I was bunking the class.

This interesting question is from Kafka with Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

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Best answer
Right answer is (d) isr

The best explanation: “isr” is the set of “in-sync” replicas.

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