"2013-02-27Z"^^ . "Quantcast File System (QFS)"@en . . . . "Active" . "1.0.2" . . "Quantcast File System (QFS) is an open-source distributed file system software package for large-scale MapReduce or other batch-processing workloads. It was designed as an alternative to Apache Hadoop\u2019s HDFS, intended to deliver better performance and cost-efficiency for large-scale processing clusters."@en .