Big Data

Tools and techniques related to managing and understanding ever-larger amounts of data

4 Interview Questions for Newcomers to Hadoop

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The Hadoop market reached $256 million in vendor revenue during 2012 and is forecast to grow to nearly $1.7 billion in 2017, according to Wikibon, an open source advisory community based in Marlborough, Mass. So veteran developers, architects and data warehousing specialists are spending every spare moment learning the framework for storage and large-scale processing of data sets. If you’re new to Hadoop and are interviewing for a Hadoop-heavy job, be ready to describe your hands-on experience with the framework,… continue…

Is Apache Spark the Next Big Thing in Big Data?

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In any article or blog post, any mention of Big Data usually includes something about Hadoop. When it comes to Big Data, Apache Hadoop has been the big elephant in the room, and the release of Hadoop 2.0 in 2013 made the environment easier and more stable. But even with the inclusion of Impala for querying stored information real-time, Hadoop is still a batch-based system that processes data in, well, batch mode. Big Data processing is said to have three… continue…

Attitude, Aptitude Can Trump Experience in Big Data Jobs

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The hiring landscape for tech professionals skilled in NoSQL is changing as more companies move toward adding Big Data applications to their arsenals. John VanderSande, a Boston-based principal consultant with WinterWyman’s Software Technology Search group, notes that the use of Big Data in business is relatively new, and that while the number of companies utilizing NoSQL is increasing rapidly, the number of people who have the skill set necessary to harness it is relatively small. “There’s that wide gap (between… continue…

Is Julia the Future for Big Data Analytics?

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In many Big Data analysis blogs, at Big Data meetups and in the halls of the most recent O’Reilly Strata Conference, one of the most-discussed topics is which language is better for data analysis: Python or R. Some of the talk has even reached “religious” overtones not unlike previous discussions on Windows vs. Linux or Microsoft’s Internet Explorer vs. Mozilla Firefox. So what’s the issue here? Why are Big Data analysts so concerned with what language to use? In my… continue…

Increasing Demand for Oracle DBAs

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Employment for DBAs is projected to grow 15 percent between 2012 and 2022, according to the Bureau of Labor Statistics. While that’s a slightly slower gain than is anticipated for some other areas of technology, it’s still significant enough to get attention. Among those DBAs, industry watchers say, many positions will go to those with Oracle DBA experience. John Reed, a Colorado-based senior executive director at Robert Half Technologies, is bullish on Oracle DBA hiring trends. “Oracle is positioned really,… continue…

Why Retail Analytics Specialists Need New Skills

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Following the consumer fallout of the massive security breach that engulfed Target, retail analytics specialists may find it tougher to glean valuable shopping data from consumers. Consumers’ privacy concerns have already been heightened by the National Security Agency phone spying debacle, and may be exacerbated by the Target incident, making them more reluctant to willingly share information with retailers. Consulting firm Frost & Sullivan predicts that 2014 will be the year of privacy, says InformationWeek. In the wake of all… continue…

Big Data Job Openings Jump 13 Percent

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Nearly 90,000 Big Data jobs were available during September, a 13 percent year-over-year increase, according to an analysis of online job postings by Wanted Analytics. Given the corporate world’s continually growing appetite for analytics and intelligence gleaned from the data it collects, it’s no surprise. Specifically, 88,000 jobs were open during the month. The industries with the biggest need for Big Data professionals were health and medical insurance carriers, colleges, universities and professional schools, business support services, computer systems design… continue…

Is Hadoop THE Answer for Big Data?

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Are companies and Big Data professionals who embrace Hadoop putting themselves at risk by being at the mercy of Google? In March 2013, after about four years, the U.S. Patent and Trade Office granted Google 10 foundational patents related to MapReduce, a programming model for processing large datasets with a parallel distributed algorithm on a cluster of computers. MapReduce is also the basis for the Hadoop framework. Rather than transfer, assign, or license these foundational patents to the Apache Software… continue…

EMC’s Joe Tucci Forecasts Future for DBAs

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Wonder what the future holds if you’re a database administrator or other IT pro? EMC’s CEO Joe Tucci on Tuesday sent a clear message on the future of the data center – be ready to transform yourself. Tucci, a keynote speaker at Oracle’s OpenWorld, addressed how technology has morphed into a software-defined data center, where the magnitude of unstructured data is growing at a phenomenal rate and millions of new applications are being built to access the information from across… continue…

Big Data = Big Opportunity…But For You?

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Looking ahead, Big Data skills are expected to be in big demand – but hard for employers to find the people who have them. A CompTIA study released this week finds 43 percent of employers plan to hire people who already possess big data skills, while roughly two-thirds plan to invest in training for current employees. The survey queried 500 IT customers and 500 vendor representatives. “As executives across the organization drive data initiatives, new roles may emerge that incorporate… continue…