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  1 # the basic time unit in milliseconds used by ZooKeeper.
  2 # It is used to do heartbeats and the minimum session timeout will be twice the tickTime
  3 tickTime=2000
  4
  5 # the location to store the in-memory database snapshots and,
  6 # unless specified otherwise, the transaction log of updates to the database
  7 dataDir=/tmp/zookeeper
  8
  9 # the port to listen for client connections
 10 clientPort=2181
 11
 12 # running ZooKeeper in replicated mode
 13 # A replicated group of servers in the same application is called a quorum
 14
 15 # initLimit is timeouts ZooKeeper uses to limit the length of time the ZooKeeper
 16 # servers in quorum have to connect to a leader.
 17 #initLimit=5
 18
 19 # syncLimit limits how far out of date a server can be from a leader
 20 #syncLimit=2
 21
 22 # server.x - list the servers that make up the ZooKeeper service
 23 # When server starts up, it knows which server it is by looking for the file x in the data directory.
 24 # port1:port2
 25 #   - port1 is used for peers to connect to other peers, zk use this port to connect followers to the leader
 26 #     When a new leader arises, a follower opens a TCP connection to the leader using this port.
 27 #   - port2 used to elect leaders
 28 #server.1=zoo1:2888:3888
 29 #server.2=zoo2:2888:3888
 30 #server.3=zoo3:2888:3888