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Learning Real-time Analytics with Storm and Cassandra

You're reading from   Learning Real-time Analytics with Storm and Cassandra Solve real-time analytics problems effectively using Storm and Cassandra

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Product type Paperback
Published in Mar 2015
Publisher
ISBN-13 9781784395490
Length 220 pages
Edition 1st Edition
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Author (1):
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Shilpi Saxena Shilpi Saxena
Author Profile Icon Shilpi Saxena
Shilpi Saxena
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Table of Contents (14) Chapters Close

Preface 1. Let's Understand Storm 2. Getting Started with Your First Topology FREE CHAPTER 3. Understanding Storm Internals by Examples 4. Storm in a Clustered Mode 5. Storm High Availability and Failover 6. Adding NoSQL Persistence to Storm 7. Cassandra Partitioning, High Availability, and Consistency 8. Cassandra Management and Maintenance 9. Storm Management and Maintenance 10. Advance Concepts in Storm 11. Distributed Cache and CEP with Storm A. Quiz Answers Index

Storm configurations


We will look at the Storm daemons and configurations around the daemons. For the Nimbus node, we have the following configuration settings in storm.yaml. Let's understand these configurations as given in the following code:

storm.zookeeper.servers:
- "zkp-1.mydomain.net "
- "zkp-2.mydomain.net "
- "zkp-3.mydomain.net "

storm.zookeeper.port: 2182
storm.local.dir: "/usr/local/storm/tmp"
nimbus.host: "nim-zkp-flm-3.mydomain.net"
topology.message.timeout.secs: 60
topology.debug: false

supervisor.slots.ports:
    - 6700
    - 6701
    - 6702
    - 6703

The functions of the configurations used in the preceding code are as follows:

  • storm.zookeeper.servers: Here we specify the names or IPs of the Zookeeper servers from the Zookeeper cluster; note that we are using the same host names as mentioned in the zoo.cfg configuration in the previous section.

  • storm.zookeeper.port: Here we specify the port on the Zookeeper node to which the Storm nodes connect. Again, we specified the...

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