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You're reading from Seven NoSQL Databases in a Week

Product typeBook

Published inMar 2018

PublisherPackt

ISBN-139781787288867

Edition1st Edition

Tools

MongoDB Cassandra

Concepts

Database Programming

Authors (2):

Sudarshan Kadambi

Xun (Brian) Wu

View More author details

Using Cassandra

Now that we have a running cluster, we will cover some simple examples to explore some of Cassandra's basic functionality. This section will introduce command-line tools, such as nodetool and CQLSH, as well as examples for interacting with Cassandra via Python and Java.

Nodetool

Nodetool is Cassandra's collection of delivered tools that help with a variety of different operational and diagnostic functions. As previously mentioned, probably the most common nodetool command that you will run is nodetool status, which should produce output similar to this:

$ nodetool status
Datacenter: LakesidePark
========================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address        Load       Tokens  Owns    Host ID                          Rack
UN 192.168.0.100  84.15 MiB  16     100.0%  71700e62-2e28-4974-93e1-a2ad3f... r40
UN 192.168.0.102  83.27 MiB  16     100.0%  c3e61934-5fc1-4795-a05a-28443e... r40
UN 192.168.0.101  83.99 MiB  16     100.0%  fd352577-6be5-4d93...

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Seven NoSQL Databases in a Week

Published in: Mar 2018Publisher: PacktISBN-13: 9781787288867

Authors (2)

Sudarshan Kadambi

Sudarshan has a background in Distributed systems and Database design. He has been a user and contributor to various NoSQL databases and is passionate about solving large-scale data management challenges.
Read more about Sudarshan Kadambi

Xun (Brian) Wu

Xun (Brian) Wu is a senior blockchain architect and consultant. With over 20 years of hands-on experience across various technologies, including Blockchain, big data, cloud, AI, systems, and infrastructure, Brian has worked on more than 50 projects in his career. He has authored nine books, which have been published by O'Reilly, Packt, and Apress, focusing on popular fields within the Blockchain industry. The titles of his books include: Learn Ethereum (First Edition), Learn Ethereum (Second Edition), Blockchain for Teens, Hands-On Smart Contract Development with Hyperledger Fabric V2, Hyperledger Cookbook, Blockchain Quick Start Guide, Security Tokens and Stablecoins Quick Start Guide, Blockchain by Example, and Seven NoSQL Databases in a Week.
Read more about Xun (Brian) Wu

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Using Cassandra

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