Chapter 1. A Crash Course in Apache ZooKeeper
In the past couple of decades, the Internet has changed the way we live our lives. Services offered over the Internet are often backed up by complex software systems, which span over a large number of servers and are often located geographically apart. Such systems are known as distributed systems in computer science terminology. In order to run these large systems correctly and efficiently, processes within these systems should have some sort of agreement among themselves; this agreement is also known as distributed coordination. An agreement by the components that constitute the distributed system includes the overall goal of the distributed system or an agreement to accomplish some subtasks that ...
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