Put another way, a ton of gravel will occupy far less space than a ton of Styrofoam.   Crushed stone, for example, has a density of 100 pounds per cubic foot (lb/ft3), which is 1600 kilograms per cubic meter (kg/m3), which is 1.6 metric tons per cubic meter.
HPSS is software that manages petabytes of data on disk and robotic tape libraries. HPSS provides highly flexible and scalable hierarchical storage management that keeps recently used data on disk and less recently used data on tape.
What is the Microsoft Analytics Platform System (APS)? Analytics Platform System (APS) is simply a renaming of the Parallel Data Warehouse (PDW). It is not really a new product, but rather a name change due to a new feature in Appliance Update 1 (AU1) of PDW. That new feature is the ability to have a HDInsight region (a Hadoop cluster) inside the appliance. Think of APS as the âevolutionâ of Microsoftâs current SQL Server Parallel Data Warehouse product. Using PolyBase, it now supports the ability to query data using SQL across the traditional data warehouse, plus data stored in a Hadoop region, whether in the appliance or a separate Hadoop Cluster.