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Seven NoSQL Databases in a Week

You're reading from   Seven NoSQL Databases in a Week Get up and running with the fundamentals and functionalities of seven of the most popular NoSQL databases

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781787288867
Length 308 pages
Edition 1st Edition
Languages
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Authors (4):
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Sudarshan Kadambi Sudarshan Kadambi
Author Profile Icon Sudarshan Kadambi
Sudarshan Kadambi
Aaron Ploetz Aaron Ploetz
Author Profile Icon Aaron Ploetz
Aaron Ploetz
Devram Kandhare Devram Kandhare
Author Profile Icon Devram Kandhare
Devram Kandhare
Xun (Brian) Wu Xun (Brian) Wu
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Xun (Brian) Wu
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Toc

Table of Contents (10) Chapters Close

Preface 1. Introduction to NoSQL Databases 2. MongoDB FREE CHAPTER 3. Neo4j 4. Redis 5. Cassandra 6. HBase 7. DynamoDB 8. InfluxDB 9. Other Books You May Enjoy

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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