Page History

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Zookeeper listeners ONLY on the leader

1. Replica-change listener:
   1. child change on /brokers/topics (new topic registered)

   2. Wiki Markup
      child change on /brokers/topics/\[topic\] (new partition registered)
      Wiki Markup
      value change on /brokers/topics/\[topic\]/\[partition_id\]/replicas (new replica assigned)

2. Partition-reassigned listener:
   1. child change on /brokers/partitions_reassigned

   2. Wiki Markup
      child change on /brokers/partitions_reassigned/\[topic\]

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1. Wiki Markup
   Leader-change listener: value change on /brokers/topics/\[topic\]/\[partition_id\]/leader

2. Wiki Markup
   State-change listener: child change on /brokers/state/\[broker_id\]

3. Topic-change listener:
   1. child change on /brokers/topics (new topic registered)

   2. Wiki Markup
      child change on /brokers/topics/\[topic\] (new partition registered)

Configuration parameters

1. LeaderElectionWaitTime: controls the maximum amount of time that we wait during leader election.
2. KeepInSyncTime: controls the maximum amount of time that a leader waits before dropping a follower from the in-sync replica set.

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