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Cassandra 3.x High Availability - Second Edition

You're reading from  Cassandra 3.x High Availability - Second Edition

Product type Book
Published in Aug 2016
Publisher
ISBN-13 9781786462107
Pages 196 pages
Edition 2nd Edition
Languages
Author (1):
Robbie Strickland Robbie Strickland
Profile icon Robbie Strickland

Table of Contents (15) Chapters

Cassandra 3.x High Availability - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
1. Cassandras Approach to High Availability 2. Data Distribution 3. Replication 4. Data Centers 5. Scaling Out 6. High Availability Features in the Native Java Client 7. Modeling for Availability 8. Anti-Patterns 9. Failing Gracefully

Connecting to the cluster


To get connected, you will start by creating a Cluster reference, which you will then construct using a builder pattern. You will specify each additional option by chaining method calls together to produce the desired configuration, then finally calling the build() method to initialize Cluster.

Let's build a cluster that's initialized with a list of possible initial contact points:

private Cluster cluster; // defined at class level 
// you should only build the cluster once per app 
cluster = Cluster.builder() 
   .addContactPoints("10.10.10.1", "10.10.10.2", "10.10.10.3") 
   .build(); 

Tip

You should only have one instance of Cluster in your application for each physical cluster, as this class controls the list of contact points and key connection policies such as compression, failover, request routing, and retries.

While this basic example will suffice for playing around with the driver locally, the Cluster builder supports a number of additional options that are...

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