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Java Tech Journal #15 – Apache Hadoop

Chris Mayer

We delve into the world of Hadoop and all that it can offer. Android/iPad versions available to download too!


The latest issue of Java Tech Journal, the free PDF magazine
that delves deeper into a topic from within the Java ecosystem, is
now available to download for FREE.

Java Tech Journal covers all the hot topics for Java developers.
Each issue deep dives into one topic, be it the Scala programming
language or Agile development. The magazine provides an insight
into emerging trends in the Java universe, and offers best
practices for established technologies on a monthly basis.

This issue focuses on the technology that has had everyone
talking so far in 2012 – Apache Hadoop, the revolutionary method
for dealing with huge amounts of data. Essentially, Hadoop at
its very core is a Java-based framework split into two parts – HDFS
(the data storage system) and MapReduce (which processes it). But
from that, a thriving ecosystem of open source projects has sprung
up such as Pig, Hive and Zookeeper. Not to mention the hub of
Hadoop-centric companies springing up like Cloudera, Hortonworks
and MapR.

Apache Hadoop released their first stable version right at
the back end of the year, signalling to the world that they are
ready for the big data challenges that lie in wait. Several large
technology vendors have also seen the worth of the burgeoning
technology, with all placing their faith in it. Oracle seem keenest
releasing their Big Data Appliance very recently.

In this first issue of Java Tech Journal for 2012, we go on a
whistle-stop tour of the entire Hadoop universe including:

  • An exclusive interview with Hortonworks
    founder and also Hadoop PMC Chair Arun Murthy,
    about the latest stable version, Hadoop 1.0 and the entire
  • Hadoop in action with deep analytics - Sujee
    will show us how MapReduce can be used to measure
    the effectiveness of an advertising campaign whilst Isabel
    delves into various aspects of the Hadoop ecosystem
    and how to apply Hadoop for your own needs. Josh
    , Director of Data Science at Cloudera also provides
    an excellent look at how Hadoop can be used to analyse adverse drug
    events. There’s no better way of learning about Hadoop by seeing
    first hand what it can do. 
  • Something new with Hadoop and NoSQL
    Matt Ingenthron shows us how the Sqoop
    connector can unite the duo to perform some deep

We hope this issue gives you a brief glimpse into what Hadoop
can do, if you’re a newcomer. In any case, Hadoop is here to stay.
This is the year of the elephant. Enjoy the issue!

Get your free PDF Java Tech Journal
version now. Or why not try out the iPad or Android versions?
The app and Issue 1 are available for free, all other issues at 99
cents. Great value for invaluable information about the latest

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