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A Roundup of Cloudera Distribution Containing Apache Hadoop 5

by Alex Giamas on  Apr 18, 2014

Cloudera recently released the latest version of its software distribution, CDH5. Almost 20 months after the last major version, CDH4 seems like ages in the Big Data world. We take a look at new features this release brings and the future direction of Cloudera after the latest round of investment from Intel and Google Ventures.

Hadoop Gets Better Security, Several Operational Improvements

by Roopesh Shenoy on  Apr 18, 2014

Hadoop 2.4.0 was recently released with several enhancements to both HDFS and YARN. This includes support for Access Control Lists, Native support for Rolling upgrades, Full HTTPS support for HDFS, Automatic failover of YARN and other operational improvements

Udi Dahan on Event-Driven Architecture and Loosely Coupled Systems

by Jan Stenberg on  Apr 14, 2014

We should build systems more loosely coupled to achieve properties like robustness, resilience and scalability, Udi Dahan emphasizes in a recent presentation discussing how we can model our systems using more event-driven and asynchronous patterns and some of the challenges developers face when introducing these principles and patterns into development.

Hydra Takes On Hadoop

by Rags Srinivas on  Apr 11, 2014

The social-networking company AddThis open-sourced Hydra under the Apache version 2.0 License in a recent announcement. Hydra grew from an in-house platform created to process semi-structured social data as live streams and do efficient query processing on those data sets.

Spark Gets a Dedicated Big Data Platform

by Charles Menguy on  Apr 03, 2014

Spark users can now use a new Big Data platform provided by intelligence company Atigeo, which bundles most of the UC Berkeley stack into a unified framework optimized for low-latency data processing that can provide significant improvements over more traditional Hadoop-based platforms.

The Shallot 2014 Edition Published

by Shane Hastie on  Apr 01, 2014

The 2014 Edition of The Shallot - the online magazine which conducts deep analysis of the state of the information technology industry - has been released.

New York Times Lab Introduces Visual Stream Processing Tool

by Michael Hausenblas on  Apr 01, 2014 1

The New York Times R&D Lab has released streamtools, a general purpose, graphical tool for dealing with streams of data, under Apache 2 license.

Rebecca Parsons on the ThoughtWorks Technology Radar

by Shane Hastie on  Mar 28, 2014 3

In January ThoughtWorks released the latest version of their Technology Radar in which they track what's interesting in the software development ecosystem. The big themes this year are (1) early warning systems and recovery in production, (2) the tension between privacy and big data, (3) the javascript ecosystem and (4) blurring of the line between the physical and virtual worlds.

Microservices and SOA

by Mark Little on  Mar 23, 2014 8

Over the past year or so we've started to hear about Microservices as potentially new architectural style. Recently Thoughtworks' Martin Fowler and James Lewis wrote an article defining Microservices. However, Steve Jones takes issue with the general theme and much in that article, believing that there is little new here and this is just a Service Oriented Deliver approach.

Object Oriented Design Principles and Functional Programming

by Jan Stenberg on  Mar 20, 2014

Independently from each other, Richard Warburton in a presentation, and Mark Seemann in a blog post both talks about object-orientation and the SOLID design principles from a functional programming perspective.

Espresso Logic DBaaS Now Wraps SQL Stored Procedures in RESTful APIs

by Abel Avram on  Mar 14, 2014

Espresso Logic has added RESTful endpoints for SQL stored procedures to their DBaaS service.

Big Data Hadoop Solutions, State of Affairs in Q1/2014

by Boris Lublinsky on  Mar 04, 2014 1

According to a new Forrest report, Hadoop’s momentum is unstoppable. Its usage in the enterprise is continuously growing due to its ability to offer companies new ways to store, process, analyze, and share big data. The report takes a look at Hadoop vendors and ranks them.

Spark Officially Graduates From Apache Incubator

by Alex Giamas on  Feb 28, 2014

Recently, Spark graduated from the Apache incubator. Spark claims up to 100x speed improvements over Apache Hadoop over in-memory datasets and gracefully falling back to 10x speed improvement for on-disk performance. Based on Scala, it can run SQL queries and be used directly in R. It provides Machine Learning, Graph database capabilities and other further discussed in the article.

Akka Actors vs. Java EJBs from a High-Level Concurrency Perspective

by Jan Stenberg on  Feb 27, 2014 1

There are both commonalities and some differences when comparing architectural principles and coding styles in Akka Actors and Java EE 7 Enterprise JavaBeans, specifically stateless session beans and JMS message-driven beans, Dr Gerald Loeffler concludes in a recent introductory talk when explaining and comparing the three approaches from a high-level concurrency view.

CQRS Framework Axon 2.1 with Increased Event Handler Support and Performance Improvements

by Jan Stenberg on  Feb 22, 2014

Version 2.1 of CQRS framework Axon supports annotations and ordering of event handlers, a new conflict resolution together with performance improvements. The recently released version also adds compatibility with OSGi.

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