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When configuring namenode HA with secure zookeeper, is ha.zookeeper.acl only property to be set under hdfs-site.xml?

When configuring namenode HA with secure zookeeper, is ha.zookeeper.acl only property to be set under hdfs-site.xml?

When configuring namenode HA with secure zookeeper, is ha.zookeeper.acl only property to be set under hdfs-site.xml?

Yarn requires a jaas conf file for secure zookeeper, why namenode does not need a jaas file?