zookeeper 3.8.0-11 (arm64 binary) in ubuntu mantic

 ZooKeeper is a centralized, reliable, service for maintaining configuration
 information, naming, providing distributed synchronization, and group
 services. All of these kinds of services are used in some form or another by
 distributed applications.
 .
 This package contains the shell scripts and an example configuration but does
 not automatically start up the service. The example configuration is installed
 with the update-alternatives mechanism.