Administering HDFS
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ZooKeeper service ports

Note the default ports used by Zookeeper service.

Table 1. ZooKeeper Service Ports
Service Servers Default Ports Used Protocol Description Need End User Access? Configuration Parameters
ZooKeeper Server All ZooKeeper Nodes 2888 Port used by ZooKeeper peers to talk to each other. No

hbase.zookeeper.peerport

ZooKeeper Server All ZooKeeper Nodes 3888 Port used by ZooKeeper peers to talk to each other. No

hbase.zookeeper.leaderport

ZooKeeper Server All ZooKeeper Nodes 2181 Property from ZooKeeper's config zoo.cfg. The port at which the clients connect. Yes

hbase.zookeeper.property.clientPort