Zookeeper

Zookeeper :

ZooKeeper is a distributed coordination service that also helps to manage a large set of hosts.

Managing and coordinating a service especially in a distributed environment is a complicated process, so ZooKeeper solves this problem due to its simple architecture as well as API.

ZooKeeper allows developers to focus on core application logic.

For instance, to track the status of distributed data, Apache HBase uses ZooKeeper.

They can also support a large Hadoop cluster easily.

To retrieve information, each client machine communicates with one of the servers.

It keeps an eye on the synchronization as well as coordination across the cluster

There is some best Apache ZooKeeper feature :

·       Simplicity: With the help of a shared hierarchical namespace, it coordinates.

·       Reliability: The system keeps performing, even if more than one node fails.

·       Speed: In the cases where ‘Reads’ are more common, it runs with the ratio of 10:1.

·       Scalability: By deploying more machines, the performance can be enhanced.