  This article dwells on the basic characteristic features of the Big Data
technologies. It is analyzed the existing definition of the "big data" term.
The article proposes and describes the elements of the generalized formal model
of big data. It is analyzed the peculiarities of the application of the
proposed model components. It described the fundamental differences between Big
Data technology and business analytics. Big Data is supported by the
distributed file system Google File System technology, Cassandra, HBase, Lustre
and ZFS, by the MapReduce and Hadoop programming constructs and many other
solutions. According to the experts, such as McKinsey Institute, the
manufacturing, healthcare, trade, administration and control of individual
movements undergo the transformations under the influence of the Big Data.
