Apache Mahout, “…Ya Gotta Hit The Road”

The news in Derrick Harris’ “Apache Mahout, Hadoop’s original machine learning project, is moving on from MapReduce” reminded of a line from Tommy, “Just as the gypsy queen must do, ya gotta hit the road.”

From the post:

Apache Mahout, a machine learning library for Hadoop since 2009, is joining the exodus away from MapReduce. The project’s community has decided to rework Mahout to support the increasingly popular Apache Spark in-memory data-processing framework, as well as the H2O engine for running machine learning and mathematical workloads at scale.

While data processing in Hadoop has traditionally been done using MapReduce, the batch-oriented framework has fallen out of vogue as users began demanding lower-latency processing for certain types of workloads — such as machine learning. However, nobody really wants to abandon Hadoop entirely because it’s still great for storing lots of data and many still use MapReduce for most of their workloads. Spark, which was developed at the University of California, Berkeley, has stepped in to fill that void in a growing number of cases where speed and ease of programming really matter.

H2O was developed separately by a startup called 0xadata (pronounced hexadata), although it’s also available as open source software. It’s an in-memory data engine specifically designed for running various types of types of statisical computations — including deep learning models — on data stored in the Hadoop Distributed File System.

Support for multiple data frameworks is yet another reason to learn Mahout.

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