Several distributed file systems are used over the cloud because the cloud itself includes large numbers of commodity-grade servers, harnessed to deliver highly scalable and on-demand services.

BlueTalon hopes to tackle that problem with what it calls the first-ever filtering and dynamic masking capabilities for use directly on the Hadoop Distributed File System (HDFS). Though Hadoop has ...

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).