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  • Book Overview & Buying Apache ZooKeeper Essentials
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Apache ZooKeeper Essentials

Apache ZooKeeper Essentials

By : Haloi
4.3 (4)
Buy this Book
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Apache ZooKeeper Essentials

Apache ZooKeeper Essentials

4.3 (4)
By: Haloi
Buy this Book

Overview of this book

Whether you are a novice to ZooKeeper or already have some experience, you will be able to master the concepts of ZooKeeper and its usage with ease. This book assumes you to have some prior knowledge of distributed systems and high-level programming knowledge of C, Java, or Python, but no experience with Apache ZooKeeper is required.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. A Crash Course in Apache ZooKeeper
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1. A Crash Course in Apache ZooKeeper
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Defining a distributed system
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Why coordination in a distributed system is so challenging
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Introducing Apache ZooKeeper
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Getting hands-on with Apache ZooKeeper
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Summary
2
2. Understanding the Inner Workings of Apache ZooKeeper
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2. Understanding the Inner Workings of Apache ZooKeeper
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A top-down view of the ZooKeeper service
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The ZooKeeper data model
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The ZooKeeper operations
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Watches and ZooKeeper operations
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The ZooKeeper access control lists
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The ZooKeeper stat structure
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Understanding the inner working of ZooKeeper
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Summary
3
3. Programming with Apache ZooKeeper
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3. Programming with Apache ZooKeeper
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Using the Java client library
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The C client library
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Python client bindings
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Summary
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4. Performing Common Distributed System Tasks
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4. Performing Common Distributed System Tasks
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ZooKeeper recipes
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Summary
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5. Administering Apache ZooKeeper
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5. Administering Apache ZooKeeper
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Configuring a ZooKeeper server
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Configuring a ZooKeeper ensemble
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Quota and authorization
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ZooKeeper best practices
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Monitoring a ZooKeeper instance
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Summary
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6. Decorating ZooKeeper with Apache Curator
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6. Decorating ZooKeeper with Apache Curator
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Curator components
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Exhibitor
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Summary
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7. ZooKeeper in Action
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7. ZooKeeper in Action
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Projects powered by ZooKeeper
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Organizations powered by ZooKeeper
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Summary
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Index
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Index

A top-down view of the ZooKeeper service

As you are aware, Apache ZooKeeper is a coordination service for distributed applications. It aims to solve the tough problems associated with the coordination of components in a distributed application. It does this by exposing a simple yet powerful interface of primitives. Applications can be designed on these primitives implemented through ZooKeeper APIs to solve the problems of distributed synchronization, cluster configuration management, group membership, and so on.

ZooKeeper is, in itself, a replicated and distributed application, with the intention to be run as a service, similar to the way we run DNS or any other centralized service. A view of the ZooKeeper service is shown in the following diagram:

A ZooKeeper service and how clients connect to the service

From the preceding diagram (the image is referenced from http://zookeeper.apache.org/doc/r3.4.6/zookeeperOver.html), you will see the replicated set of servers on which the ZooKeeper service...

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Apache ZooKeeper Essentials
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