When creating topics, can we determine which broker will be the leader for the topic? Are topics balanced across brokers in Kafka? (Considering the topics have just one partition)
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1 Answers
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Kafka does manage this internally and you don't need to worry about this in general: http://kafka.apache.org/documentation/#basic_ops_leader_balancing
If you create a new topic, Kafka will select a broker based on load. If a topic has only one partitions, it will only be hosted on a single broker (plus followers if you have multiple replicas), because a partitions cannot be split over multiple brokers in Kafka.
Nevertheless, you can get the information which broker host what topic and you can also "move" topics and partitions: http://kafka.apache.org/documentation/#basic_ops_cluster_expansion
