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Hadoop Essentials

You're reading from   Hadoop Essentials Delve into the key concepts of Hadoop and get a thorough understanding of the Hadoop ecosystem

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Product type Paperback
Published in Apr 2015
Publisher Packt
ISBN-13 9781784396688
Length 194 pages
Edition 1st Edition
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Author (1):
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Shiva Achari Shiva Achari
Author Profile Icon Shiva Achari
Shiva Achari
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Toc

Table of Contents (9) Chapters Close

Preface 1. Introduction to Big Data and Hadoop FREE CHAPTER 2. Hadoop Ecosystem 3. Pillars of Hadoop – HDFS, MapReduce, and YARN 4. Data Access Components – Hive and Pig 5. Storage Component – HBase 6. Data Ingestion in Hadoop – Sqoop and Flume 7. Streaming and Real-time Analysis – Storm and Spark Index

Flume architecture


Flume architecture is a very flexible and customizable composed agent that can be configured as multitiered for a data flow process. The data flow design allows the source or data to be transferred or processed from the source to the destination. The components are wired together in chains and in different tiers called the logical node's configuration. The logical nodes are configured in three tiers, namely, Client, Collector, and Storage. The first tier is the Client that captures the data from data source and forwards the it to the Collector, which consolidates the data after processing and sends it to the Storage tier.

The Flume process and the logical components are controlled by the Flume Master. The logical nodes are very flexible and can be added or deleted dynamically by the Master.

Multitier topology

In Flume, Agents can be configured to be a Client, Collector, or Storage. A Client Agent ingests the data from a data source and pushes it to another Agent, using an...

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