Database Reference
In-Depth Information
The 1.3 version made a number of choices as to which versions to support.
Today, though, just a few months later, the top-line Hadoop project has
a 1.2.0.5 release available, which is not part of HDP 1.3. This and other
ecosystem changes will be consumed in the next release of the HDP
distribution.
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to
http://hortonworks.com/products/hdp-2/
.
Hadoop is a rapidly changing
and evolving ecosystem and doesn't rest on its laurels so including version
history is largely futile.
Hadoop Distributions
Note that there are several Hadoop distributions on the market for you
to choose from. Some include proprietary components; others do not. The
following sections briefly cover some of the main Hadoop distributions.
Hortonworks HDP
Hortonworks provides a distribution of Apache Hadoop known as
Hortonworks Data Platform (HDP). HDP is a 100% open source
distribution. Therefore, it does not contain any proprietary code or
licensing. The developers employed by Hortonworks contribute directly to
the Apache projects. Hortonworks is also building a good track record for
regular releases of their distribution, educational content, and community
engagement. In addition, Hortonworks has established a number of
strategic partnerships, which will stand them in good stead. HDP is
available in three forms. The first is for Hadoop 1.x, and the second is for
Hadoop 2.0, which is currently in development. Hortonworks also offers
HDP for Windows, which is a third distribution. HDP for Windows is the
only version that runs on the Windows platform.
MapR
MapR is an interesting distribution for Hadoop. They have taken some
radical steps to alter the core architecture of Hadoop to mitigate some of
its single points of failure, such as the removal of the single master name
node for an alternative architecture that provides them with a multimaster
system. As a result, MapR has also implemented its own JobTracker to
improve availability.
