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Amazon EMR
Amazon EMR Release Guide

Apache ZooKeeper

Apache ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. For more information about ZooKeeper, see http://zookeeper.apache.org/.

ZooKeeper Release Information for This Release of Amazon EMR

Application Amazon EMR Release Label Components installed with this application

ZooKeeper 3.4.10

emr-5.9.0

emrfs, emr-goodies, hadoop-client, hadoop-hdfs-datanode, hadoop-hdfs-library, hadoop-hdfs-namenode, hadoop-httpfs-server, hadoop-kms-server, hadoop-yarn-nodemanager, hadoop-yarn-resourcemanager, hadoop-yarn-timeline-server, zookeeper-client, zookeeper-server