What Is Apache ZooKeeper
What is Apache ZooKeeper?
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications. Each time they are implemented there is a lot of work that goes into fixing the bugs and race conditions that are inevitable. Because of the difficulty of implementing these kinds of services, applications initially usually skimp on them, which make them brittle in the presence of change and difficult to manage. Even when done correctly, different implementations of these services lead to management complexity when the applications are deployed.
ZooKeeper itself is intended to be replicated. And each instance can manage multiple clients as shown below:
Releases of Apache ZooKeeper, zookeeper.jar:
JAR Name JDK FYI Date -------- --- --- ---------- zookeeper-3.7.0.jar 7 src 2021-03-17 zookeeper-3.4.5.jar 2012-11-05
For more information, see Apache ZooKeeper Website.
â‡‘â‡‘ FAQ for Apache ZooKeeper
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