What is ZooKeeper in system design?

ZooKeeper is a distributed, open-source coordination service for distributed applications. It exposes a simple set of primitives that distributed applications can build upon to implement higher level services for synchronization, configuration maintenance, and groups and naming.

What does ZooKeeper software do?

ZooKeeper is an open-source Apache project that provides a centralized service for providing configuration information, naming, synchronization and group services over large clusters in distributed systems. The goal is to make these systems easier to manage with improved, more reliable propagation of changes.

What is the role of zookeeper?

The ZooKeeper utility provides configuration and state management and distributed coordination services to Dgraph nodes of the Big Data Discovery cluster. It ensures high availability of the query processing by the Dgraph nodes in the cluster. ZooKeeper is part of the Hadoop package.

What do zoo keepers do daily?

Cleaning, feeding, and providing general care to the animals are a necessity seven days a week, sometimes outdoors and in adverse weather conditions. The zookeeper must be prepared for a varied schedule that may include working weekends and holidays. Sick animals may need round-the-clock care.

What did the zookeeper do?

A zookeeper will usually work with certain species and, along with other zookeepers working in that area, will be responsible for maintaining the animal enclosures and ensuring that they are clean, well maintained, repaired (when needed) and generally in a good condition for the animals to be able to inhabit safely.

What is the job description for a ZooKeeper?

Zookeepers care for animals in zoos. They plan diets, feed animals, and monitor the animals eating patterns. They also clean the animals enclosures, monitor their behavior, and watch for signs of illness or injury. Depending on the size of the zoo, they may work with one species or multiple species of animals.

What qualities do you need to be a zookeeper?

You will need: confidence in approaching and handling animals of all sizes. scientific observation skills to monitor the wellbeing of animals in your care. a high level of fitness, good health and the ability to sustain physical work for long periods in all weathers.

How are applications built on ZooKeeper?

In summary, ZooKeeper follows a “client-server” architecture, where clients are applications that interact with the ZooKeeper service through servers. Servers are nodes within the ZooKeeper cluster responsible for managing data and handling client requests.

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