MongoDB, Cassandra, and HBase-the three NoSQL databases to watch

Hadoop gets much of the big data credit, but the reality is that NoSQL databases are far more broadly deployed -- and far more broadly developed. In fact, while shopping for a Hadoop vendor is relatively straightforward, picking a NoSQL ...

HP Unveils Vertica for SQL on Hadoop

Hewlett-Packard is building a bridge between traditional SQL database analytics and Big Data on Hadoop systems. The result is HP Vertica for SQL on Hadoop. HP officially unveiled the new offering today -- though reports about the offering (previously code-named Dragline) surfaced in May ...

Actian Brings Graph Analysis To Big Data

Actian announced that it's adding a graph-analysis engine to its big data portfolio, which already includes a SQL-on-Hadoop offering as well as several relational databases and data-integration software. Graph analysis is applied to uncover networked relationships among people, places, things, and ...

120 Companies Hiring Hadoop Developers

Here is the list of companies hiring Hadoop Developers, Hadoop Engineers.   Company Business Technical Specs Uses 1 Facebook Social Site 8 cores and 12 TB of storage Used as a source for reporting and machine learning 2 Twitter Social site   Store and process tweets, log files 3 LinkedIn Social site 2X4 and 2X6 cores – 6X2TB SATA Discovering ...

An introduction to Apache Hadoop for big data

Apache Hadoop is an open source software framework for storage and large scale processing of data-sets on clusters of commodity hardware. Hadoop is an Apache top-level project being built and used by a global community of contributors and users. It ...

NoSQL, NewSQL, or RDBMS-How To Choose

When should you choose a NoSQL or NewSQL option versus a conventional relational database management system? Here are 10 telltale traits that will help you make the right choice. Today's databases are not only expected to be flexible enough to handle ...

15 important case studies on Big Data

Are you looking for some of good case studies that highlight how large companies leverage Big Data for driving productivity? Check out these 15 important case studies on Big Data. 23andMe 23andMe is a privately held personal genomics and biotechnology company. The ...

Why Extended Attributes are Coming to HDFS

Extended attributes in HDFS will facilitate at-rest encryption for Project Rhino, but they have many other uses, too. Many mainstream Linux filesystems implement extended attributes, which let you associate metadata with a file or directory beyond common “fixed” attributes like filesize, ...
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