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You're reading from  Real-time Analytics with Storm and Cassandra

Product typeBook
Published inMar 2015
Reading LevelIntermediate
Publisher
ISBN-139781784395490
Edition1st Edition
Languages
Java
Tools
StormCassandra
Concepts
Data Processing
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Author (1)
Shilpi Saxena
Shilpi Saxena
author image
Shilpi Saxena

Shilpi Saxena is an IT professional and also a technology evangelist. She is an engineer who has had exposure to various domains (machine to machine space, healthcare, telecom, hiring, and manufacturing). She has experience in all the aspects of conception and execution of enterprise solutions. She has been architecting, managing, and delivering solutions in the Big Data space for the last 3 years; she also handles a high-performance and geographically-distributed team of elite engineers. Shilpi has more than 12 years (3 years in the Big Data space) of experience in the development and execution of various facets of enterprise solutions both in the products and services dimensions of the software industry. An engineer by degree and profession, she has worn varied hats, such as developer, technical leader, product owner, tech manager, and so on, and she has seen all the flavors that the industry has to offer. She has architected and worked through some of the pioneers' production implementations in Big Data on Storm and Impala with autoscaling in AWS. Shilpi has also authored Real-time Analytics with Storm and Cassandra (https://www.packtpub.com/big-data-and-business-intelligence/learning-real-time-analytics-storm-and-cassandra) with Packt Publishing.
Read more about Shilpi Saxena

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Cassandra cluster scaling – adding a new node

Cassandra scales very easily, and with zero downtime. This is one of the reasons why it is chosen over many other contenders. The steps are pretty straightforward and simple:

  1. You need to set up Cassandra on the nodes to be added. Don't start the Cassandra process yet; first, follow these steps:

    1. Update the seed nodes in Cassandra.yaml under seed_provider.

    2. Make sure the tmp folders are clean.

    3. Add auto_bootstrap to Cassandra.yaml and set it to true.

    4. Update cluster_name in Cassandra.yaml.

    5. Update listen_address/broadcast_address in Cassandra.yaml.

  2. Start all the new nodes one by one, pausing for at least 5 minutes between two consecutive starts.

  3. Once the node is started, it will proclaim its share of data based on the token range it owns and start streaming that in. This could be verified using the nodetoolnetstat command, as shown in the following code:

    mydomain@my-cass1:/home/ubuntu$ /usr/local/cassandra/apache- cassandra-1.1.6/bin/nodetool -h 10.3.12.29...
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Real-time Analytics with Storm and Cassandra
Published in: Mar 2015Publisher: ISBN-13: 9781784395490
© 2015 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Shilpi Saxena

Shilpi Saxena is an IT professional and also a technology evangelist. She is an engineer who has had exposure to various domains (machine to machine space, healthcare, telecom, hiring, and manufacturing). She has experience in all the aspects of conception and execution of enterprise solutions. She has been architecting, managing, and delivering solutions in the Big Data space for the last 3 years; she also handles a high-performance and geographically-distributed team of elite engineers. Shilpi has more than 12 years (3 years in the Big Data space) of experience in the development and execution of various facets of enterprise solutions both in the products and services dimensions of the software industry. An engineer by degree and profession, she has worn varied hats, such as developer, technical leader, product owner, tech manager, and so on, and she has seen all the flavors that the industry has to offer. She has architected and worked through some of the pioneers' production implementations in Big Data on Storm and Impala with autoscaling in AWS. Shilpi has also authored Real-time Analytics with Storm and Cassandra (https://www.packtpub.com/big-data-and-business-intelligence/learning-real-time-analytics-storm-and-cassandra) with Packt Publishing.
Read more about Shilpi Saxena

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