You need to perform a rolling restart of a Kafka cluster. What are two major considerations to avoid downtime? (Choose two.)

The correct answer is A. Closely monitor the broker status during rolling restart. C. Ensure the topics have enough in-sync replicas when a broker is restarting. Monitoring broker status ensures each restarted broker returns to a healthy state before proceeding, preventing service interruption. Having sufficient in-sync replicas allows partitions to elect a new leader cleanly during each broker's restart, maintaining availability…

Managing Brokers and Clusters

Question

Options

AClosely monitor the broker status during rolling restart.
BRun brokers with 'unclean.leader.election.enable=true' to maximize availability.
CEnsure the topics have enough in-sync replicas when a broker is restarting.
DEnsure the active controller is the first broker to restart.

How the community answered

(32 responses)

A
78% (25)
B
16% (5)
D
6% (2)

Explanation

Monitoring broker status ensures each restarted broker returns to a healthy state before proceeding, preventing service interruption. Having sufficient in-sync replicas allows partitions to elect a new leader cleanly during each broker's restart, maintaining availability throughout the rolling operation.

Topics

#rolling restart#in-sync replicas#availability#broker management

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