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Kick-start With Hadoop - For Beginners


Kick-start With Hadoop - For Beginners
If you have similar questions in mind, then you are at right place. we have the answer for you.

Kick-start with Hadoop

Kick-start with Hadoop in 3 simple steps.
  1. Why Hadoop is needed?
  2. What is Hadoop?
  3. Hello World in Hadoop


Kick-start With Hadoop - For Beginners

Step 1: Understand Why Hadoop is needed?

The best and most easy way to start with any NEW thing is to find out, why?
In brief we can say Hadoop came to solve Big Data challenges.

Kick-start With Hadoop - For Beginners

Go through the below articles to know more about this.

Step 2: Learn what is Hadoop?

Once you have got answers for origin of Hadoop, try getting high level idea of Hadoop architecture and ecosystem.
You first need the high-level general idea without focusing on the details.
Go through below articles to understand what Hadoop is.

Step 3: Run Hello World program in Hadoop


Kick-start With Hadoop - For Beginners

Let us now do something interesting in Hadoop. Run your first Hello World program of Hadoop in sandbox system

No Installation - Use Hadoop Sandbox System

Instead of installing Hadoop, you can download sandbox systems offered by Hadoop distributions like Cloudera, Hortonworks. The sandbox systems are like your personal Hadoop environment that comes along with many interactive Hadoop tutorials. These sandbox systems provide you a great way to get started with Hadoop.

Kick-start With Hadoop - For Beginners

Refer below articles to setup sandbox system.
How to setup Hortonworks Sandbox

Hadoop Hello World Example

Now try to run below Hello World programs.

A Hadoop Real World Example

The Hello World program mentioned above, doesn't reflect the strength and range of the Hadoop, it's just shown as a sample hands-on to make you familiar with the Hadoop World. For sure, it does not show the real power of Hadoop.

Now let's try to solve a real-world problem using Hadoop.
Hadoop Real World Example using HDFS, HCatalog, Hive and Excel

What's next?


Kick-start With Hadoop - For Beginners
Above 3 are common and much needed steps to follow, for any user coming from any background to kickstart with Hadoop. Once you finished with all 3 steps, you know Hadoop, you know Hadoop ecosystem in brief, and you have also developed one POC to experience practical beauty of Hadoop application. It's the right time to go deep into Hadoop.

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