Quantcast, an internet audience measurement and ad targeting service, processes over 20 petabytes of data per day using Apache Hadoop and its own custom file system called Quantcast File System (QFS).

Cloud computing is a new technology which comes from distributed computing, parallel computing, grid computing and other computing technologies. In cloud computing, the data storage and computing are ...

In this whitepaper, Yahoo engineers Konstantin Shvachko, Hairong Kuang, Sanjay Radia, and Robert Chansle look at HDFS, the file system component of Hadoop. While the interface to HDFS is patterned ...

This paper provides a high-level overview of how Apache Cassandra™ can be used to replace HDFS, with no programming changes required from a developer perspective, and how a number of compelling ...

The Big-data refers to the large-scale distributed data processing applications that operate on unusually huge amounts of data. Google’s Map Reduce and Apache’s Map Reduce, its open-source ...

Add Symantec to the rapidly growing list of tech vendors aiming to groom Apache Hadoop for the enterprise. The company today announced Symantec Enterprise for Hadoop, an add-on with which companies ...

Big data can mean big threats to security, thanks to the tempting volumes of information that may sit waiting for hackers to peruse. BlueTalon hopes to tackle that problem with what it calls the first ...

Seagate this week introduced a ClusterStor Hadoop Workflow Accelerator that introduces the Hadoop on Lustre Connector, which allows clusters based on Hadoop and the open source Lustre file system “to ...