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In line with the increasing amount of data and complex transactions in business enterprises, the demand for parallel database management systems (DBMSs) is growing. There remain many challenging problems associated with the design of such kinds of systems, for example scheduling of load balancing and realizing high scalability on the order of a thousand nodes. Hitachi's highly scalable and parallel relational DBMS, referred to as HiRDB, solves these problems by adopting a shared-nothing architecture and a newly developed floating server technology.
This paper presents the architecture of HiRDB, including its performance and its application to real-world database systems. The future of parallel DBMSs is also discussed.