An Introduction to ZOOKEEPER

In our last blog, we talked about the HDFS cluster. Which is needed for deploying OpenTSDB in clustered mode. Continuing to the series, In this blog, we are going to talk about ZOOKEEPER which will be used by HBase & OpenTSDB in the cluster.

Before talking about ZooKeeper lets understand what is Distributed system and the need of ZooKeeper in Distributed System.

Distributed System:

When a software system composed of independent computing entities linked together by a computer network and its components communicate and coordinate with each other to achieve a common goal is known and Distributed System.  ex: Multiplayer online games like Clash of Clan

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