Streaming data to HDFS using Apache Flume | Big Data Hadoop Tutorial

This lecture is all about streaming data to HDFS using Apache Flume where we have set up the Flume Agent to listen to a directory in HDP Sandbox using SpoolDir as a source and streamed to HDFS directory in real time.

Commands for this lecture:

cd /usr/hdp/current/flume-server

mkdir spool

On Ambari, create directory under user/maria_dev/flume

Go to Ambari and verify

In the previous lecture we have seen publishing logs data using Apache Flume where we have streamed some raw data using Telnet as a source and published it to logger sink in real time using Apache Flume architecture. You should be knowing some of the basic concepts of Apache Fume like what is sink, channel, source and how it works under the hood before heading for this tutorial.

Commands for this lecture:

cd /usr/hdp/current/flume-server

yum -y install telnet

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HDP Sandbox Installation links:

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Audience

This tutorial is made for professionals who are willing to learn the basics of Big Data Analytics using Hadoop Ecosystem and become a Hadoop Developer. Software Professionals, Analytics Professionals, and ETL developers are the key beneficiaries of this course.

Prerequisites

Before you start proceeding with this course, I am assuming that you have some basic knowledge to Core Java, database concepts, and any of the Linux operating system flavors.

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[TienNguyenk]

thank your video, i hope you make a video about project of DE

[RajeshVenkatesan-ji]

Hello,

I hope you are good. Actually, I am in need of an assistance regarding Apache flume. I thought you’d be the right person to talk to about this.

To give you the context, I am newly learning Bigdata and Flume, while installing flume I am unable to configure fully as I get the below error message in command prompt.

I appreciate any help you can give. Thanks for your consideration.

version

-NoProfile -InputFormat none -ExecutionPolicy unrestricted -File version

WARN: Config directory not set. Defaulting to
Sourcing environment configuration script
Including Hadoop libraries found in (C:\hadoop) for DFS access
WARN: HBASE_HOME not found
WARN: HIVE_HOME not found

Running FLUME version :
class:
arguments:

Start-Process : This command cannot be run due to the error: The system cannot find the file specified.
At char:10
+ $x = Start-Process $javaPath -ArgumentList "$fullJavaCommand" -Wa ...
+
+ CategoryInfo : InvalidOperation: (:) [Start-Process], InvalidOperationException
+ FullyQualifiedErrorId : InvalidOperationException, Microsoft.PowerShell.Commands.StartProcessCommand

Kind regards,
Rajesh Venkatesan